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ns0:berthelot-observatory-romania a ns0:ground-observatory . ns0:besancon-astronomical-observatory-france a ns0:ground-observatory . ns0:beta-orionis-observatory-argentina a ns0:ground-observatory . ns0:betera-observatory-spain a ns0:ground-observatory . ns0:beverly-begg-observatory-new-zealand a ns0:ground-observatory . ns0:bianto-observatory-italy a ns0:ground-observatory . ns0:bibai-observatory-japan a ns0:ground-observatory . ns0:big-bear-solar-observatory a ns0:ground-observatory . ns0:big-cypress-observatory-united-states a ns0:ground-observatory . ns0:big-water-observatory-united-states a ns0:ground-observatory . ns0:bigbang-observatory-italy a ns0:ground-observatory . ns0:bigmuskie-observatory-italy a ns0:ground-observatory . ns0:bilbao-observatory-spain a ns0:ground-observatory . ns0:biosphere-2-observatory-united-states a ns0:ground-observatory . ns0:birch-forest-observatory-australia a ns0:ground-observatory . ns0:birkdale-observatory-australia a ns0:ground-observatory . ns0:biryong-observatory-south-korea a ns0:ground-observatory . ns0:bisei-spaceguard-center-at-bisei-astronomical-observatory-japan a ns0:ground-observatory . ns0:bishopstoke-observatory-united-kingdom a ns0:ground-observatory . ns0:bixhoma-observatory-united-states a ns0:ground-observatory . ns0:bkh-observatory-united-states a ns0:ground-observatory . ns0:black-birch-astrometric-observatory-at-carter-observatory-new-zealand a ns0:ground-observatory . ns0:black-forest-observatory a ns0:ground-observatory . ns0:black-mountain-observatory a ns0:ground-observatory . ns0:blackberry-observatory-united-states a ns0:ground-observatory . ns0:blackbird-observatory-united-states a ns0:ground-observatory . ns0:blackgem-at-la-silla-observatory-chile a ns0:ground-observatory . ns0:blackrock-castle-observatory-ireland a ns0:ground-observatory . ns0:blagoveschensk-observatory-russia a ns0:ground-observatory . ns0:blanes-observatory-spain a ns0:ground-observatory . ns0:blanquita-observatory-spain a 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ns0:bradbury-observatory-united-kingdom a ns0:ground-observatory . ns0:bradstreet-observatory-united-states a ns0:ground-observatory . ns0:bray-et-lu-observatory-france a ns0:ground-observatory . ns0:bredenkamp-observatory a ns0:ground-observatory . ns0:breitenweg-observatory a ns0:ground-observatory . ns0:brelingen-observatory-germany a ns0:ground-observatory . ns0:bremen-observatory-germany a ns0:ground-observatory . ns0:brenehuen-observatory-france a ns0:ground-observatory . ns0:brera-astronomical-observatory a ns0:ground-observatory . ns0:brescia-observatory-italy a ns0:ground-observatory . ns0:breslau-observatory-poland a ns0:ground-observatory . ns0:brigham-young-university-0-4m-david-derrick-telescope-at-orson-pratt-observatory a ns0:ground-observatory . ns0:brignoles-observatory-france a ns0:ground-observatory . ns0:brixiis-astronomical-observatory-belgium a ns0:ground-observatory . ns0:brno-observatory-and-planetarium-czechia a ns0:ground-observatory . ns0:brooklyn-park-observatory-australia a ns0:ground-observatory . ns0:brooks-astronomical-observatory a ns0:ground-observatory . ns0:brorfelde-observatory-denmark a ns0:ground-observatory . ns0:brownstown-observatory-ireland a ns0:ground-observatory . ns0:bruno-zugna-observatory-italy a ns0:ground-observatory . ns0:brynllefrith-observatory-united-kingdom a ns0:ground-observatory . ns0:bsa-observatory-italy a ns0:ground-observatory . ns0:bscr-observatory-italy a ns0:ground-observatory . ns0:bsh-byulsem-observatory-south-korea a ns0:ground-observatory . ns0:bucharest-astronomical-observatory a ns0:ground-observatory . ns0:buehler-planetarium-and-observatory a ns0:ground-observatory . ns0:buenaventura-suarez-observatory-argentina a ns0:ground-observatory . ns0:buffalo-creek-observatory a ns0:ground-observatory . ns0:bulach-observatory-switzerland a ns0:ground-observatory . ns0:burgsolms-observatory-germany a ns0:ground-observatory . ns0:burjassot-observatory-spain a ns0:ground-observatory . ns0:burke-gaffney-observatory-canada a ns0:ground-observatory . ns0:burleith-observatory-united-states a ns0:ground-observatory . ns0:burlington-observatory-united-states a ns0:ground-observatory . ns0:burnt-tree-hill-observatory-united-states a ns0:ground-observatory . ns0:burwash-observatory-united-kingdom a ns0:ground-observatory . ns0:busot-observatory-spain a ns0:ground-observatory . ns0:buthiers-observatory-france a ns0:ground-observatory . ns0:byrne-observatory-at-sedgwick-reserve-united-states a ns0:ground-observatory . ns0:byurakan-astrophysical-observatory-armenia a ns0:ground-observatory . ns0:byurakan-observatory-armenia a ns0:ground-observatory . ns0:ca-del-monte-observatory-italy a ns0:ground-observatory . ns0:cademuir-observatory-ireland a ns0:ground-observatory . ns0:caimari-observatory-spain a ns0:ground-observatory . ns0:cala-d-hort-observatory-spain a ns0:ground-observatory . ns0:calar-alto-casado-observatory-spain a ns0:ground-observatory . ns0:calar-alto-observatory-spain a ns0:ground-observatory . ns0:calarreona-observatory-spain a ns0:ground-observatory . ns0:calgary-observatory-canada a ns0:ground-observatory . ns0:caloundra-west-observatory-australia a ns0:ground-observatory . ns0:calvin-college-observatory a ns0:ground-observatory . ns0:calvin-m-hooper-memorial-observatory a ns0:ground-observatory . ns0:calvin-rehoboth-robotic-observatory a ns0:ground-observatory . ns0:camarillo-observatory-united-states a ns0:ground-observatory . ns0:cambridge-observatory a ns0:ground-observatory . ns0:camille-flammarion-observatory-france a ns0:ground-observatory . ns0:camorino-observatory-switzerland a ns0:ground-observatory . ns0:campo-catino-observatory-italy a ns0:ground-observatory . ns0:campo-dos-amarais-observatory-brazil a ns0:ground-observatory . ns0:campo-imperatore-astronomical-observatory-at-astronomical-observatory-of-abruzzo-italy a ns0:ground-observatory . ns0:campo-imperatore-observatory-italy a ns0:ground-observatory . ns0:campocatino-austral-observatory-chile a ns0:ground-observatory . ns0:campocatino-observatory-italy a ns0:ground-observatory . ns0:campomaggiore-observatory-italy a ns0:ground-observatory . ns0:campos-dos-goytacazes-observatory-brazil a ns0:ground-observatory . ns0:can-roig-observatory-spain a ns0:ground-observatory . ns0:canada-france-hawaii-telescope a ns0:ground-observatory . ns0:canberra-observatory a ns0:ground-observatory . ns0:cancelada-observatory-spain a ns0:ground-observatory . ns0:canvas-view-new-mexico-skies-observatory a ns0:ground-observatory . ns0:capannoli-observatory-italy a ns0:ground-observatory . ns0:capricornus-observatory-hungary a ns0:ground-observatory . ns0:caraquiz-observatory-spain a ns0:ground-observatory . ns0:carbuncle-hill-observatory-united-states a ns0:ground-observatory . ns0:carda-observatory-spain a ns0:ground-observatory . ns0:cardiff-observatory-united-kingdom a ns0:ground-observatory . ns0:cariati-observatory-italy a ns0:ground-observatory . ns0:carina-observatory-brazil a ns0:ground-observatory . ns0:carla-jane-observatory-united-states a ns0:ground-observatory . ns0:carmelita-observatory-spain a ns0:ground-observatory . ns0:carpe-noctem-observatory-spain a ns0:ground-observatory . ns0:carpione-observatory-italy a ns0:ground-observatory . ns0:carroll-observatory-united-states a ns0:ground-observatory . ns0:cartagena-astronomical-observatory-spain a ns0:ground-observatory . ns0:carter-observatory-new-zealand a ns0:ground-observatory . ns0:cas-observatory-germany a ns0:ground-observatory . ns0:casal-lumbroso-observatory-italy a ns0:ground-observatory . ns0:casalecchio-di-reno-observatory-italy a ns0:ground-observatory . ns0:casalincontrada-observatory-italy a ns0:ground-observatory . ns0:casasco-observatory-italy a ns0:ground-observatory . ns0:cascade-mountain-observatory-united-states a ns0:ground-observatory . ns0:casellina-observatory-italy a ns0:ground-observatory . ns0:casselman-observatory-canada a ns0:ground-observatory . ns0:cast-observatory-italy a ns0:ground-observatory . ns0:castelgrande-observatory-italy a ns0:ground-observatory . ns0:castello-tesino-geomagnetic-observatory a ns0:ground-observatory . ns0:castellon-observatory-spain a ns0:ground-observatory . ns0:castelmartini-observatory-italy a ns0:ground-observatory . ns0:castle-fields-observatory-united-kingdom a ns0:ground-observatory . ns0:castlemaine-observatory-australia a ns0:ground-observatory . ns0:castrofilippo-observatory-italy a ns0:ground-observatory . ns0:cat-s-eye-observatory-italy a ns0:ground-observatory . ns0:catalina-station-at-mount-bigelow-united-states a ns0:ground-observatory . ns0:catania-astrophysical-observatory-italy a ns0:ground-observatory . ns0:catania-observatory-italy a ns0:ground-observatory . ns0:catholic-university-observatory-united-states a ns0:ground-observatory . ns0:cavriana-observatory-italy a ns0:ground-observatory . ns0:cawthron-atkinson-observatory-new-zealand a ns0:ground-observatory . ns0:cba-east-observatory-laurel a ns0:ground-observatory . ns0:cba-novac-observatory-front-royal-united-states a ns0:ground-observatory . ns0:ccat-trieste-observatory-italy a ns0:ground-observatory . ns0:ceam-observatory-spain a ns0:ground-observatory . ns0:ceamig-rea-observatory-brazil a ns0:ground-observatory . ns0:cedar-drive-observatory-united-states a ns0:ground-observatory . ns0:cedar-glen-observatory-united-states a ns0:ground-observatory . ns0:cedar-knolls-observatory-united-states a ns0:ground-observatory . ns0:cegep-de-trois-rivieres-observatory-canada a ns0:ground-observatory . ns0:celbridge-observatory-ireland a ns0:ground-observatory . ns0:celico-observatory-italy a ns0:ground-observatory . ns0:centennial-observatory a ns0:ground-observatory . ns0:center-for-backyard-astrophysics-concord-observatory-united-states a ns0:ground-observatory . 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ns0:custer-institute-and-observatory a ns0:ground-observatory . ns0:cuteip-remote-observatory-taiwan a ns0:ground-observatory . ns0:cwu-lind-observatory a ns0:ground-observatory . ns0:cyclops-observatory-netherlands a ns0:ground-observatory . ns0:cygnus-observatory-at-new-alresford-united-kingdom a ns0:ground-observatory . ns0:dainik-astronomical-observatory-japan a ns0:ground-observatory . ns0:danastro-observatory-belgium a ns0:ground-observatory . ns0:daocheng-glacier-observatory a ns0:ground-observatory . ns0:daocheng-observatory-china a ns0:ground-observatory . ns0:dark-rosanne-observatory-united-states a ns0:ground-observatory . ns0:dark-sky-observatory a ns0:ground-observatory . ns0:darmstadt-observatory-germany a ns0:ground-observatory . ns0:dauban-observatory-france a ns0:ground-observatory . ns0:daventry-observatory-united-kingdom a ns0:ground-observatory . ns0:david-dunlap-observatory-canada a ns0:ground-observatory . ns0:davidschlag-observatory-austria a 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ns0:filzi-school-observatory-italy a ns0:ground-observatory . ns0:finlaystone-observatory a ns0:ground-observatory . ns0:fiore-observatory-italy a ns0:ground-observatory . ns0:fire-in-the-sky-observatory a ns0:ground-observatory . ns0:first-moscow-gymnasium-observatory-russia a ns0:ground-observatory . ns0:fitz-randolph-observatory a ns0:ground-observatory . ns0:flagstaff-observatory-united-states a ns0:ground-observatory . ns0:flarestar-observatory-malta a ns0:ground-observatory . ns0:flint-observatory a ns0:ground-observatory . ns0:florence-and-george-wise-observatory a ns0:ground-observatory . ns0:flower-and-cook-observatory-united-states a ns0:ground-observatory . ns0:foah-observatory a ns0:ground-observatory . ns0:foggy-bottom-observatory a ns0:ground-observatory . ns0:foligno-observatory-italy a ns0:ground-observatory . ns0:forcarei-observatory-spain a ns0:ground-observatory . ns0:fort-pius-observatory a ns0:ground-observatory . ns0:fosseway-observatory-united-kingdom a ns0:ground-observatory . ns0:fountain-hills-observatory-united-states a ns0:ground-observatory . ns0:four-winds-observatory-united-states a ns0:ground-observatory . ns0:foxfire-village-observatory-united-states a ns0:ground-observatory . ns0:francisquito-observatory-united-states a ns0:ground-observatory . ns0:francois-xavier-bagnoud-observatory-switzerland a ns0:ground-observatory . ns0:frankfurt-observatory-germany a ns0:ground-observatory . ns0:frasnes-lez-anvaing-observatory-belgium a ns0:ground-observatory . ns0:freconrupt-observatory-france a ns0:ground-observatory . ns0:fred-lawrence-whipple-observatory a ns0:ground-observatory . ns0:fregenal-de-la-sierra-observatory-spain a ns0:ground-observatory . ns0:frignano-observatory-italy a ns0:ground-observatory . ns0:frog-rock-observatory-australia a ns0:ground-observatory . ns0:frosinone-observatory-italy a ns0:ground-observatory . ns0:frosty-cold-observatory a ns0:ground-observatory . ns0:fuensanta-de-martos-observatory-spain a 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ns0:jeonbuk-science-high-school-observatory a ns0:ground-observatory . ns0:jiang-nan-tian-chi-observatory-china a ns0:ground-observatory . ns0:jiangnantianchi-observatory-china a ns0:ground-observatory . ns0:jilin-observatory-china a ns0:ground-observatory . ns0:jimginny-observatory-united-states a ns0:ground-observatory . ns0:joan-roget-observatory-spain a ns0:ground-observatory . ns0:jodrell-bank-observatory-united-kingdom a ns0:ground-observatory . ns0:johannesburg-hartbeespoort-observatory-south-africa a ns0:ground-observatory . ns0:johannesburg-observatory-south-africa a ns0:ground-observatory . ns0:john-beckman-observatory-spain a ns0:ground-observatory . ns0:john-j-mccarthy-observatory-united-states a ns0:ground-observatory . ns0:john-w-evans-solar-facility-at-sacramento-peak-observatory a ns0:ground-observatory . ns0:jonathan-b-postel-observatory-italy a ns0:ground-observatory . ns0:jornada-observatory-united-states a ns0:ground-observatory . ns0:josef-bresser-observatory a ns0:ground-observatory . ns0:jpl-syntrack-robotic-telescope-3-at-flagstaff-observatory-united-states a ns0:ground-observatory . ns0:jpl-syntrack-robotic-telescope-at-auberry-observatory-united-states a ns0:ground-observatory . ns0:jpl-syntrack-robotic-telescope-at-sierra-remote-observatories-united-states a ns0:ground-observatory . ns0:junk-bond-observatory-united-states a ns0:ground-observatory . ns0:jura-observatory-switzerland a ns0:ground-observatory . ns0:ka-dar-observatory-russia a ns0:ground-observatory . ns0:kachina-observatory-united-states a ns0:ground-observatory . ns0:kagiya-observatory-japan a ns0:ground-observatory . ns0:kahoku-observatory-japan a ns0:ground-observatory . ns0:kairos-observatory-russia a ns0:ground-observatory . ns0:kalamazoo-observatory-united-states a ns0:ground-observatory . ns0:kambah-observatory-australia a ns0:ground-observatory . ns0:kamenskoe-plateau-observatory-kazakhstan a ns0:ground-observatory . ns0:kamihoriguchi-observatory-japan a ns0:ground-observatory . ns0:kamyk-telescope-poland a ns0:ground-observatory . ns0:kanab-observatory-united-states a ns0:ground-observatory . ns0:kangwon-national-university-observatory a ns0:ground-observatory . ns0:kangwon-science-high-school-observatory-south-korea a ns0:ground-observatory . ns0:kani-observatory-japan a ns0:ground-observatory . ns0:kanzelhohe-observatory-for-solar-and-environmental-research a ns0:ground-observatory . ns0:kappa-crucis-observatory-uruguay a ns0:ground-observatory . ns0:karasuyama-observatory-japan a ns0:ground-observatory . ns0:karl-schwarzschild-observatory-germany a ns0:ground-observatory . ns0:karlovy-vary-observatory-czechia a ns0:ground-observatory . ns0:karlsruhe-observatory-germany a ns0:ground-observatory . ns0:karrenkneul-observatory-germany a ns0:ground-observatory . ns0:katori-observatory-japan a ns0:ground-observatory . ns0:katy-observatory-united-states a ns0:ground-observatory . ns0:kawachi-observatory-japan a ns0:ground-observatory . ns0:kawane-observatory-japan a ns0:ground-observatory . ns0:kazan-observatory-russia a ns0:ground-observatory . ns0:keck-observatory-at-pacific-lutheran-university-united-states a ns0:ground-observatory . ns0:kelmis-observatory-belgium a ns0:ground-observatory . ns0:kempshott-observatory-united-kingdom a ns0:ground-observatory . ns0:kenting-observatory-taiwan a ns0:ground-observatory . ns0:kepler-space-telescope a ns0:ground-observatory . ns0:kevola-observatory-finland a ns0:ground-observatory . ns0:keyhole-observatory-at-san-giorgio-di-mantova-italy a ns0:ground-observatory . ns0:kharkiv-astronomical-observatory-ukraine a ns0:ground-observatory . ns0:kiel-observatory-germany a ns0:ground-observatory . ns0:kielce-observatory-poland a ns0:ground-observatory . ns0:killer-rocks-observatory-united-states a ns0:ground-observatory . ns0:kimachi-station-observatory-japan a ns0:ground-observatory . ns0:king-city-observatory-canada a ns0:ground-observatory . ns0:kingsgrove-observatory-australia a ns0:ground-observatory . ns0:kingsland-observatory-ireland a ns0:ground-observatory . ns0:kingsnake-observatory-united-states a ns0:ground-observatory . ns0:kinmen-educational-remote-observatory a ns0:ground-observatory . ns0:kinver-observatory-united-kingdom a ns0:ground-observatory . ns0:kislovodsk-mountain-astronomical-station-russia a ns0:ground-observatory . ns0:kiso-observatory-japan a ns0:ground-observatory . ns0:kitab-observatory-uzbekistan a ns0:ground-observatory . ns0:kitami-observatory-japan a ns0:ground-observatory . ns0:kitt-peak-bok-observatory-united-states a ns0:ground-observatory . ns0:kitt-peak-national-observatory-united-states a ns0:ground-observatory . ns0:kiyosato-observatory-japan a ns0:ground-observatory . ns0:kiyose-and-mizuho-observatory-japan a ns0:ground-observatory . ns0:klet-observatory-czechia a ns0:ground-observatory . ns0:knielingen-observatory-germany a ns0:ground-observatory . ns0:knocknaboola-observatory-ireland a ns0:ground-observatory . ns0:knue-astronomical-observatory-south-korea a ns0:ground-observatory . ns0:kochi-observatory-japan a ns0:ground-observatory . ns0:koeditz-observatory-germany a ns0:ground-observatory . ns0:koenigsberg-observatory a ns0:ground-observatory . ns0:kogota-observatory-japan a ns0:ground-observatory . ns0:koksijde-observatory-belgium a ns0:ground-observatory . ns0:koln-observatory-germany a ns0:ground-observatory . ns0:kolobov-observatory a ns0:ground-observatory . ns0:komakallio-observatory-finland a ns0:ground-observatory . ns0:konan-observatory-japan a ns0:ground-observatory . ns0:konigsleiten-observatory-austria a ns0:ground-observatory . ns0:konkoly-observatory-hungary a ns0:ground-observatory . ns0:korea-microlensing-telescope-network-at-cerro-tololo-inter-american-observatory-chile a ns0:ground-observatory . ns0:korea-microlensing-telescope-network-at-sutherland-observatory-south-africa a ns0:ground-observatory . ns0:korea-microlensing-telescope-network-on-siding-spring-observatory-australia a ns0:ground-observatory . ns0:korean-vlbi-network-and-vlbi-exploration-of-radio-astrometry a ns0:ground-observatory . ns0:koschny-observatory-netherlands a ns0:ground-observatory . ns0:kottamia-observatory-egypt a ns0:ground-observatory . ns0:kouba-observatory-algeria a ns0:ground-observatory . ns0:kourovka-astronomical-observatory-russia a ns0:ground-observatory . ns0:kramatorsk-observatory-ukraine a ns0:ground-observatory . ns0:krasnodar-observatory-russia a ns0:ground-observatory . ns0:krasnopresnenskaja-observatory-russia a ns0:ground-observatory . ns0:kremsmunster-observatory-austria a ns0:ground-observatory . ns0:kryoneri-observatory-greece a ns0:ground-observatory . ns0:kryzhanivka-observatory-ukraine a ns0:ground-observatory . ns0:ksa-sem-observatory-south-korea a ns0:ground-observatory . ns0:kuban-state-university-astrophysical-observatory a ns0:ground-observatory . ns0:kuma-kogen-astronomical-observatory-japan a ns0:ground-observatory . ns0:kumamoto-observatory-japan a ns0:ground-observatory . ns0:kurashiki-observatory-japan a ns0:ground-observatory . ns0:kurihara-observatory-japan a ns0:ground-observatory . ns0:kuriwa-observatory-australia a ns0:ground-observatory . ns0:kurohone-observatory-japan a ns0:ground-observatory . ns0:kushiro-observatory-japan a ns0:ground-observatory . ns0:kvistaberg-observatory-sweden a ns0:ground-observatory . ns0:kwasan-observatory-japan a ns0:ground-observatory . ns0:kyiv-shevchenko-national-university-astronomical-observatory a ns0:ground-observatory . ns0:kysucke-nove-mesto-observatory-slovakia a ns0:ground-observatory . ns0:l-ametlla-de-mar-observatory-spain a ns0:ground-observatory . ns0:l-ampolla-observatory-spain a ns0:ground-observatory . ns0:la-avejerilla-observatory-spain a ns0:ground-observatory . ns0:la-axarquia-observatory-spain a ns0:ground-observatory . ns0:la-canada-observatory-spain a ns0:ground-observatory . ns0:la-chaux-de-fonds-observatory-switzerland a ns0:ground-observatory . ns0:la-corte-observatory-spain a ns0:ground-observatory . ns0:la-couyere-observatory-france a ns0:ground-observatory . ns0:la-fecha-observatory-spain a ns0:ground-observatory . ns0:la-giustiniana-observatory-italy a ns0:ground-observatory . ns0:la-macchina-del-tempo-observatory-italy a ns0:ground-observatory . ns0:la-mata-observatory-spain a ns0:ground-observatory . ns0:la-murta-observatory-spain a ns0:ground-observatory . ns0:la-palma-new-england-optical-network-observatory-spain a ns0:ground-observatory . ns0:la-palma-observatory-and-siding-spring-observatory a ns0:ground-observatory . ns0:la-plata-astronomical-observatory-argentina a ns0:ground-observatory . ns0:la-puebla-de-vallbona-observatory-spain a ns0:ground-observatory . ns0:la-romaneta-observatory-spain a ns0:ground-observatory . ns0:la-sagra-observatory-spain a ns0:ground-observatory . ns0:la-seyne-sur-mer-observatory-france a ns0:ground-observatory . ns0:la-silla-observatory-chile a ns0:ground-observatory . ns0:la-vara-observatory-spain a ns0:ground-observatory . ns0:lacaille-observatory-south-africa a ns0:ground-observatory . ns0:lahti-observatory-finland a ns0:ground-observatory . ns0:laietania-observatory-spain a ns0:ground-observatory . ns0:lajoux-observatory-switzerland a ns0:ground-observatory . ns0:lake-arrowhead-observatory-united-states a ns0:ground-observatory . ns0:lake-clear-observatory-united-states a ns0:ground-observatory . ns0:lake-forest-observatory-united-states a ns0:ground-observatory . ns0:lake-of-the-woods-observatory-united-states a ns0:ground-observatory . ns0:lake-saint-louis-observatory-united-states a ns0:ground-observatory . ns0:lakeland-astronomical-observatory-united-states a ns0:ground-observatory . ns0:lamalou-les-bains-observatory-france a ns0:ground-observatory . ns0:lamp-observatory a ns0:ground-observatory . ns0:lancaster-observatory a ns0:ground-observatory . ns0:landehen-observatory-france a ns0:ground-observatory . ns0:landers-observatory-united-states a ns0:ground-observatory . ns0:las-campanas-observatory-chile a ns0:ground-observatory . ns0:las-cumbres-observatory-global-telescope-network a ns0:ground-observatory . ns0:las-negras-observatory-spain a ns0:ground-observatory . ns0:las-vaguadas-observatory-spain a ns0:ground-observatory . ns0:le-couvent-de-lentin-observatory-france a ns0:ground-observatory . ns0:le-cres-observatory-france a ns0:ground-observatory . ns0:le-creusot-observatory-france a ns0:ground-observatory . ns0:leamington-spa-observatory-united-kingdom a ns0:ground-observatory . ns0:leander-mccormick-observatory-united-states a ns0:ground-observatory . ns0:leavenworth-observatory-united-states a ns0:ground-observatory . ns0:leeside-observatory-canada a ns0:ground-observatory . ns0:leiden-observatory-netherlands a ns0:ground-observatory . ns0:leipzig-observatory-germany a ns0:ground-observatory . ns0:leitner-family-observatory-and-planetarium-at-yale-student-observatory-united-states a ns0:ground-observatory . ns0:lelekovice-observatory-czechia a ns0:ground-observatory . ns0:lenkerbeck-observatory-germany a ns0:ground-observatory . ns0:lenomiya-observatory-united-states a ns0:ground-observatory . ns0:leo-observatory-united-states a ns0:ground-observatory . ns0:leopold-figl-observatorium-for-astrophysics-austria a ns0:ground-observatory . ns0:les-barres-observatory-france a ns0:ground-observatory . ns0:les-engarouines-observatory-france a ns0:ground-observatory . ns0:les-pedritxes-observatory-spain a ns0:ground-observatory . ns0:les-planes-de-son-observatory-spain a ns0:ground-observatory . ns0:les-tardieux-observatory-france a ns0:ground-observatory . ns0:lesedi-telescope-at-saao-observatory-south-africa a ns0:ground-observatory . ns0:leura-observatory-australia a ns0:ground-observatory . ns0:leuschner-observatory-united-states a ns0:ground-observatory . ns0:levendaal-observatory-netherlands a ns0:ground-observatory . ns0:leyland-observatory a ns0:ground-observatory . ns0:libbiano-astronomical-observatory-italy a ns0:ground-observatory . ns0:lick-observatory-united-states a ns0:ground-observatory . ns0:lightbuckets-observatory-united-states a ns0:ground-observatory . ns0:lijiang-station-observatory-china a ns0:ground-observatory . ns0:lilienthal-observatory a ns0:ground-observatory . ns0:lima-observatory a ns0:ground-observatory . ns0:limburg-observatory-germany a ns0:ground-observatory . ns0:lime-creek-observatory-united-states a ns0:ground-observatory . ns0:linceo-observatory-spain a ns0:ground-observatory . ns0:lincoln-near-earth-asteroid-research a ns0:ground-observatory . ns0:lindby-observatory-sweden a ns0:ground-observatory . ns0:linden-observatory-australia a ns0:ground-observatory . ns0:lindenberg-observatory-germany a ns0:ground-observatory . ns0:linhaceira-observatory-portugal a ns0:ground-observatory . ns0:lishan-observatory-china a ns0:ground-observatory . ns0:litchfield-observatory-united-states a ns0:ground-observatory . ns0:little-moose-observatory-timber-lakes a ns0:ground-observatory . ns0:live-oak-observatory-united-states a ns0:ground-observatory . ns0:livergnano-observatory-italy a ns0:ground-observatory . ns0:liverpool-observatory-united-kingdom a ns0:ground-observatory . ns0:livorno-observatory-italy a ns0:ground-observatory . ns0:ljubljana-observatory-slovenia a ns0:ground-observatory . ns0:llano-de-chajnantor-observatory-chile a ns0:ground-observatory . ns0:llano-del-hato-national-astronomical-observatory-venezuela a ns0:ground-observatory . ns0:lledoner-observatory-spain a ns0:ground-observatory . ns0:llica-d-amunt-observatory-spain a ns0:ground-observatory . ns0:lo-fossil-observatory-spain a ns0:ground-observatory . ns0:lohbach-observatory-germany a ns0:ground-observatory . ns0:lohrmann-observatorium-germany a ns0:ground-observatory . ns0:lohrmann-observatory-germany a ns0:ground-observatory . ns0:loiano-observatory-italy a ns0:ground-observatory . ns0:lomazzo-observatory-italy a ns0:ground-observatory . ns0:lomnicky-stit-observatory-slovakia a ns0:ground-observatory . ns0:lone-star-observatory a ns0:ground-observatory . ns0:longa-vista-observatory-brazil a ns0:ground-observatory . ns0:loomberah-observatory-australia a ns0:ground-observatory . ns0:loose-goose-observatory-canada a ns0:ground-observatory . ns0:los-algarrobos-observatory-uruguay a ns0:ground-observatory . ns0:los-altos-de-arguineguin-observatory-spain a ns0:ground-observatory . ns0:los-cabezones-observatory-argentina a ns0:ground-observatory . ns0:los-campitos-observatory-argentina a ns0:ground-observatory . ns0:los-milanos-observatory-spain a ns0:ground-observatory . ns0:los-molinos-observatory-uruguay a ns0:ground-observatory . ns0:loudwater-observatory-united-kingdom a ns0:ground-observatory . ns0:lowell-observatory-near-earth-object-search-at-lowell-observatory-united-states a ns0:ground-observatory . ns0:lowell-observatory-united-states a ns0:ground-observatory . ns0:lpmr-observatory-united-kingdom a ns0:ground-observatory . ns0:lubeck-observatory-germany a ns0:ground-observatory . ns0:lucca-observatory-italy a ns0:ground-observatory . ns0:lucie-berger-observatory-france a ns0:ground-observatory . ns0:luckystar-observatory-vazec-slovakia a ns0:ground-observatory . ns0:lugueros-observatory-spain a ns0:ground-observatory . ns0:lulin-observatory-taiwan a ns0:ground-observatory . ns0:lulin-widefield-telescope-taiwan a ns0:ground-observatory . ns0:lumezzane-observatory-italy a ns0:ground-observatory . ns0:lumijoki-observatory-finland a ns0:ground-observatory . ns0:lunar-cafe-observatory-united-states a ns0:ground-observatory . ns0:lund-observatory-sweden a ns0:ground-observatory . ns0:luscherz-observatory-switzerland a ns0:ground-observatory . ns0:lviv-polytechnic-observatory-ukraine a ns0:ground-observatory . ns0:lvye-observatory-china a ns0:ground-observatory . ns0:lw-2-at-naoc-zhongwei-china a ns0:ground-observatory . ns0:lw-3-at-xinglong-observatory-china a ns0:ground-observatory . ns0:lyon-observatory-france a ns0:ground-observatory . ns0:m57-observatory-italy a ns0:ground-observatory . ns0:macclesfield-observatory-united-kingdom a ns0:ground-observatory . ns0:machida-observatory-japan a ns0:ground-observatory . ns0:mackay-observatory-spain a ns0:ground-observatory . ns0:macnairston-observatory-united-kingdom a ns0:ground-observatory . ns0:macquarie-island-magnetic-observatory-australia a ns0:ground-observatory . ns0:madison-yrs-observatory-united-states a ns0:ground-observatory . ns0:madonna-di-dossobuono-observatory-italy a ns0:ground-observatory . ns0:madras-observatory-india a ns0:ground-observatory . ns0:madrid-observatory-spain a ns0:ground-observatory . ns0:magalofes-observatory-spain a ns0:ground-observatory . ns0:magellan-baade-telescope-at-las-campanas-observatory-chile a ns0:ground-observatory . ns0:magellan-observatory-australia a ns0:ground-observatory . ns0:magroforte-observatory-italy a ns0:ground-observatory . ns0:maiaky-observatory-ukraine a ns0:ground-observatory . ns0:maidanak-astronomical-observatory a ns0:ground-observatory . ns0:maidanak-observatory-uzbekistan a ns0:ground-observatory . ns0:maidbronn-observatory-germany a ns0:ground-observatory . ns0:maiden-lane-observatory-united-states a ns0:ground-observatory . ns0:maidenhead-observatory-united-kingdom a ns0:ground-observatory . ns0:main-astronomical-observatory-of-the-national-academy-of-sciences-of-ukraine-ukraine a ns0:ground-observatory . ns0:maisoncelles-observatory-france a ns0:ground-observatory . ns0:maisons-laffitte-observatory-france a ns0:ground-observatory . ns0:majadahonda-observatory-spain a ns0:ground-observatory . ns0:makerstoun-observatory-united-kingdom a ns0:ground-observatory . ns0:makes-observatory-france a ns0:ground-observatory . ns0:makroskooppi-at-fregenal-de-la-sierra-observatory-spain a ns0:ground-observatory . ns0:malaga-observatory-spain a ns0:ground-observatory . ns0:malibert-observatory-france a ns0:ground-observatory . ns0:malina-river-observatory-italy a ns0:ground-observatory . ns0:mamalluca-observatory-chile a ns0:ground-observatory . ns0:manaus-observatory-brazil a ns0:ground-observatory . ns0:mandi-observatory-italy a ns0:ground-observatory . ns0:manises-observatory-spain a ns0:ground-observatory . ns0:mannheim-observatory-germany a ns0:ground-observatory . ns0:marana-observatory-italy a ns0:ground-observatory . ns0:marburg-observatory-germany a ns0:ground-observatory . ns0:mardella-observatory-australia a ns0:ground-observatory . ns0:margherita-hack-observatory-italy a ns0:ground-observatory . ns0:maria-mitchell-observatory a ns0:ground-observatory . ns0:mariamir-at-saint-jeannet-observatory-france a ns0:ground-observatory . ns0:marienburg-observatory-germany a ns0:ground-observatory . ns0:marina-di-cerveteri-observatory-italy a ns0:ground-observatory . ns0:marina-sky-observatory-spain a ns0:ground-observatory . ns0:marine-observatory-germany a ns0:ground-observatory . ns0:maritime-alps-observatory-italy a ns0:ground-observatory . ns0:mark-evans-observatory-at-bloomington-united-states a ns0:ground-observatory . ns0:mark-slade-remote-observatory-united-states a ns0:ground-observatory . ns0:markree-observatory-ireland a ns0:ground-observatory . ns0:marl-observatory-germany a ns0:ground-observatory . ns0:marratxi-observatory-spain a ns0:ground-observatory . ns0:marseille-observatory-france a ns0:ground-observatory . ns0:marsfield-observatory-australia a ns0:ground-observatory . ns0:martesana-observatory-italy a ns0:ground-observatory . ns0:martigues-observatory-france a ns0:ground-observatory . ns0:martin-observatory-united-states a ns0:ground-observatory . ns0:martin-s-kraar-observatory-israel a ns0:ground-observatory . ns0:martinsberg-observatory-austria a ns0:ground-observatory . ns0:marxuquera-observatory-spain a ns0:ground-observatory . ns0:maryland-space-grant-consortium-observatory-at-johns-hopkins-university-homewood-campus-united-states a ns0:ground-observatory . ns0:masia-cal-maciarol-modul-8-observatory-spain a ns0:ground-observatory . ns0:masia-cal-maciarol-observatory-spain a ns0:ground-observatory . ns0:masquefa-observatory-spain a ns0:ground-observatory . ns0:master-iac-observatory-spain a ns0:ground-observatory . ns0:master-ii-observatory-at-kislovodsk-russia a ns0:ground-observatory . ns0:master-oafa-observatory-argentina a ns0:ground-observatory . ns0:master-oagh-observatory-at-cananea-mexico a ns0:ground-observatory . ns0:master-saao-observatory-at-sutherland-observatory-south-africa a ns0:ground-observatory . ns0:master-tavrida-observatory-ukraine a ns0:ground-observatory . ns0:mataro-observatory-spain a ns0:ground-observatory . ns0:matera-laser-ranging-observatory-italy a ns0:ground-observatory . ns0:matosinhos-observatory-portugal a ns0:ground-observatory . ns0:mauguio-observatory-france a ns0:ground-observatory . ns0:maui-space-surveillance-complex-at-kihei-united-states a ns0:ground-observatory . ns0:mauna-kea-observatories-united-states a ns0:ground-observatory . ns0:mauna-loa-solar-observatory-united-states a ns0:ground-observatory . ns0:mauren-valley-observatory a ns0:ground-observatory . ns0:mauritius-radio-telescope-at-mauritius-observatory a ns0:ground-observatory . ns0:maury-lewin-observatory-glendora a ns0:ground-observatory . ns0:mazagon-huelva-observatory-spain a ns0:ground-observatory . ns0:mazariegos-observatory-spain a ns0:ground-observatory . ns0:mcd-observatory-canada a ns0:ground-observatory . ns0:mcdonald-observatory-lco-elp-aqawan-a-1 a ns0:ground-observatory . ns0:mcdonald-observatory-united-states a ns0:ground-observatory . ns0:mcmillin-observatory a ns0:ground-observatory . ns0:medicina-radio-observatory-italy a ns0:ground-observatory . ns0:medina-observatory-united-states a ns0:ground-observatory . ns0:meerlicht-observatory-south-africa a ns0:ground-observatory . ns0:melbourne-observatory-australia a ns0:ground-observatory . ns0:melezhy-astrophoto-observatory-russia a ns0:ground-observatory . ns0:mendel-observatory-united-states a ns0:ground-observatory . ns0:merak-telescope-at-national-astronomical-observatories-of-china-china a ns0:ground-observatory . ns0:mercedes-observatory-argentina a ns0:ground-observatory . ns0:merignac-observatory-france a ns0:ground-observatory . ns0:merlette-observatory-france a ns0:ground-observatory . ns0:meschede-observatory-germany a ns0:ground-observatory . ns0:meter-wave-synthesis-radio-telescope-at-beijing-astronomical-observatory-china a ns0:ground-observatory . ns0:metsahovi-optical-telescope-observatory-finland a ns0:ground-observatory . ns0:metsahovi-radio-observatory a ns0:ground-observatory . ns0:metsala-observatory-finland a ns0:ground-observatory . ns0:metzerlen-observatory-switzerland a ns0:ground-observatory . ns0:meudon-observatory-france a ns0:ground-observatory . ns0:meyer-womble-observatory-united-states a ns0:ground-observatory . ns0:mezmay-comet-search-center-russian-federation a ns0:ground-observatory . ns0:michael-adrian-observatory-trebur-germany a ns0:ground-observatory . ns0:michigan-dartmouth-mit-observatory a ns0:ground-observatory . ns0:michigan-state-university-observatory a ns0:ground-observatory . ns0:mickleover-observatory-united-kingdom a ns0:ground-observatory . ns0:micro-palomar-observatory-france a ns0:ground-observatory . ns0:middlebury-college-observatory-united-states a ns0:ground-observatory . ns0:middlesex-school-observatory-united-states a ns0:ground-observatory . ns0:mill-creek-observatory-the-dalles-united-states a ns0:ground-observatory . ns0:millau-observatory-france a ns0:ground-observatory . ns0:millimeter-european-southern-observatory-national-science-foundation-national-institutes-of-natural-sciences-japan-atacama-large-millimeter-array-at-llano-de-chajnantor-observatory-chile a ns0:ground-observatory . ns0:millwood-observatory-comfort-united-states a ns0:ground-observatory . ns0:minami-oda-observatory-japan a ns0:ground-observatory . ns0:mind-s-eye-observatory a ns0:ground-observatory . ns0:minneapolis-observatory-united-states a ns0:ground-observatory . ns0:minnetonka-observatory-united-states a ns0:ground-observatory . ns0:minor-planet-center-test-code a ns0:ground-observatory . ns0:miryang-arirang-astronomical-observatory-south-korea a ns0:ground-observatory . ns0:mishima-observatory-japan a ns0:ground-observatory . ns0:missouri-city-observatory-united-states a ns0:ground-observatory . ns0:miwa-observatory-japan a ns0:ground-observatory . ns0:miyaki-argenteus-observatory-japan a ns0:ground-observatory . ns0:miyasaka-observatory-japan a ns0:ground-observatory . ns0:moana-observatory-punaauia-french-polynesia a ns0:ground-observatory . ns0:mobil-astronomical-robotics-genon-observatory-ukraine a ns0:ground-observatory . ns0:modra-observatory-slovakia a ns0:ground-observatory . ns0:moka-observatory-united-states a ns0:ground-observatory . ns0:moletai-astronomical-observatory-lithuania a ns0:ground-observatory . ns0:monfrague-observatory-spain a ns0:ground-observatory . ns0:monitoring-network-of-telescopes-south-at-sutherland-observatory-south-africa a ns0:ground-observatory . ns0:mont-megantic-observatory-canada a ns0:ground-observatory . ns0:montagut-observatory-spain a ns0:ground-observatory . ns0:montana-blanca-observatory-spain a ns0:ground-observatory . ns0:montana-cabreja-observatory-spain a ns0:ground-observatory . ns0:montarrenti-observatory-italy a ns0:ground-observatory . ns0:montcabrer-observatory-spain a ns0:ground-observatory . ns0:monte-agliale-observatory-italy a ns0:ground-observatory . ns0:monte-argentario-observatory-italy a ns0:ground-observatory . ns0:monte-autore-observatory-italy a ns0:ground-observatory . ns0:monte-baldo-observatory-italy a ns0:ground-observatory . ns0:monte-deva-observatory-spain a ns0:ground-observatory . ns0:monte-generoso-observatory a ns0:ground-observatory . ns0:monte-mario-observatory-italy a ns0:ground-observatory . ns0:monte-viseggi-observatory-italy a ns0:ground-observatory . ns0:montecanal-observatory-spain a ns0:ground-observatory . ns0:monterrey-observatory-mexico a ns0:ground-observatory . ns0:montevenere-observatory-italy a ns0:ground-observatory . ns0:montevideo-astronomical-observatory-uruguay a ns0:ground-observatory . ns0:montjoia-observatory-spain a ns0:ground-observatory . ns0:montpellier-observatory-france a ns0:ground-observatory . ns0:montsec-astronomical-observatory-spain a ns0:ground-observatory . ns0:montseny-astronomical-observatory-spain a ns0:ground-observatory . ns0:moonbase-south-observatory-namibia a ns0:ground-observatory . ns0:moonedge-observatory-united-states a ns0:ground-observatory . ns0:moonglow-observatory-united-states a ns0:ground-observatory . ns0:mooray-observatory-new-zealand a ns0:ground-observatory . ns0:moore-observatory-united-states a ns0:ground-observatory . ns0:moorpark-college-observatory a ns0:ground-observatory . ns0:moorwarfen-observatory-germany a ns0:ground-observatory . ns0:moose-springs-observatory-united-states a ns0:ground-observatory . ns0:moquegua-observatory-peru a ns0:ground-observatory . ns0:morgantown-observatory-united-states a ns0:ground-observatory . ns0:moriyama-observatory-japan a ns0:ground-observatory . ns0:morning-star-observatory a ns0:ground-observatory . ns0:morrison-observatory-united-states a ns0:ground-observatory . ns0:mount-abu-infrared-observatory-india a ns0:ground-observatory . ns0:mount-belleview-observatory a ns0:ground-observatory . ns0:mount-canopus-observatory a ns0:ground-observatory . ns0:mount-cuba-astronomical-observatory-united-states a ns0:ground-observatory . ns0:mount-graham-international-observatory a ns0:ground-observatory . ns0:mount-john-university-observatory-new-zealand a ns0:ground-observatory . ns0:mount-kent-observatory-australia a ns0:ground-observatory . ns0:mount-laguna-observatory-united-states a ns0:ground-observatory . ns0:mount-lemmon-infrared-observatory-united-states a ns0:ground-observatory . ns0:mount-lemmon-optical-astronomy-observatory-united-states a ns0:ground-observatory . ns0:mount-matajur-observatory-italy a ns0:ground-observatory . ns0:mount-molehill-observatory-new-zealand a ns0:ground-observatory . ns0:mount-nyukasa-optical-observatory-japan a ns0:ground-observatory . ns0:mount-pleasant-radio-observatory a ns0:ground-observatory . ns0:mount-stromlo-observatory-australia a ns0:ground-observatory . ns0:mount-tarana-observatory-australia a ns0:ground-observatory . ns0:mount-terskol-observatory-russia a ns0:ground-observatory . ns0:mount-tuffley-observatory-united-kingdom a ns0:ground-observatory . ns0:mount-wilson-observatory a ns0:ground-observatory . ns0:mount-wilson-observatory-united-states a ns0:ground-observatory . ns0:mountain-creek-ranch-observatory-united-states a ns0:ground-observatory . ns0:mountain-meadows-observatory a ns0:ground-observatory . ns0:mountainville-observatory-at-alpine-united-states a ns0:ground-observatory . ns0:mpo-observatory-united-states a ns0:ground-observatory . ns0:mt-guizi-observatory-china a ns0:ground-observatory . ns0:mt-kajigamori-observatory-japan a ns0:ground-observatory . ns0:mueggelheim-observatory-germany a ns0:ground-observatory . ns0:muensterschwarzach-observatory-germany a ns0:ground-observatory . ns0:mullard-radio-astronomy-observatory-united-kingdom a ns0:ground-observatory . ns0:multa-observatory-russia a ns0:ground-observatory . ns0:mundenheim-observatory a ns0:ground-observatory . ns0:munhoz-observatory-brazil a ns0:ground-observatory . ns0:munich-observatory a ns0:ground-observatory . ns0:murchison-radio-astronomy-observatory-australia a ns0:ground-observatory . ns0:murcia-observatory-spain a ns0:ground-observatory . ns0:murou-observatory-japan a ns0:ground-observatory . ns0:murray-hill-observatory-united-states a ns0:ground-observatory . ns0:murrumbateman-observatory-australia a ns0:ground-observatory . ns0:murviel-les-montpellier-observatory-france a ns0:ground-observatory . ns0:mustola-observatory-finland a ns0:ground-observatory . ns0:muxagata-observatory-portugal a ns0:ground-observatory . ns0:mykolaiv-astronomical-observatory-ukraine a ns0:ground-observatory . ns0:nac-observatory-benson-united-states a ns0:ground-observatory . ns0:nachi-katsuura-observatory-japan a ns0:ground-observatory . ns0:nagano-observatory-japan a ns0:ground-observatory . ns0:nagatoro-observatory-japan a ns0:ground-observatory . ns0:nakagawa-observatory-japan a ns0:ground-observatory . ns0:nancay-radio-telescope-at-nancay-observatory a ns0:ground-observatory . ns0:nanchuan-observatory-china a ns0:ground-observatory . ns0:nanshan-station-observatory-at-xinjiang-observatory-china a ns0:ground-observatory . ns0:nanyo-observatory-japan a ns0:ground-observatory . ns0:narama-observatory-poland a ns0:ground-observatory . ns0:nasa-wallops-flight-facility-at-wallops-island-united-states a ns0:ground-observatory . ns0:nastro-verde-observatory-italy a ns0:ground-observatory . ns0:natelli-observatory a ns0:ground-observatory . ns0:national-astronomical-observatories-of-the-chinese-academy-of-sciences-china a ns0:ground-observatory . ns0:national-astronomical-observatory-of-chile a ns0:ground-observatory . ns0:national-astronomical-observatory-of-san-pedro-martir-mexico a ns0:ground-observatory . ns0:national-astronomical-observatory-rozhen-bulgaria a ns0:ground-observatory . ns0:national-observatory-of-athens a ns0:ground-observatory . ns0:national-observatory-of-rio-de-janeiro-brazil a ns0:ground-observatory . ns0:national-radio-astronomy-observatory-united-states a ns0:ground-observatory . ns0:national-space-facilities-control-and-test-center-ukraine a ns0:ground-observatory . ns0:naval-observatory-flagstaff-station a ns0:ground-observatory . ns0:nayoro-municipal-observatory-kitasubaru-japan a ns0:ground-observatory . ns0:nazaret-observatory-spain a ns0:ground-observatory . ns0:near-earth-asteroid-tracking-at-palomar-observatory-united-states a ns0:ground-observatory . ns0:near-earth-object-search-program-at-siding-spring-observatory-australia a ns0:ground-observatory . ns0:nebula-knoll-observatory-united-states a ns0:ground-observatory . ns0:nedlands-observatory-perth-australia a ns0:ground-observatory . ns0:negara-observatory-malaysia a ns0:ground-observatory . ns0:netherlands-institute-for-radio-astronomy-low-frequency-array a ns0:ground-observatory . ns0:neuchatel-observatory-switzerland a ns0:ground-observatory . ns0:neutraubling-observatory-germany a ns0:ground-observatory . ns0:new-bullpen-observatory-united-states a ns0:ground-observatory . ns0:new-millennium-observatory-italy a ns0:ground-observatory . ns0:newark-observatory a ns0:ground-observatory . ns0:newcastle-observatory-canada a ns0:ground-observatory . ns0:newcastle-upon-tyne-observatory-united-kingdom a ns0:ground-observatory . ns0:newport-beach-observatory-united-states a ns0:ground-observatory . ns0:next-generation-transit-survey-at-eso-paranal-observatory a ns0:ground-observatory . ns0:ngari-observatory-china a ns0:ground-observatory . ns0:nice-observatory-france a ns0:ground-observatory . ns0:niceville-observatory-united-states a ns0:ground-observatory . ns0:niederbexbach-observatory-germany a ns0:ground-observatory . ns0:nihondaira-observatory-japan a ns0:ground-observatory . ns0:nijmegen-observatory a ns0:ground-observatory . ns0:nimes-observatory-france a ns0:ground-observatory . ns0:nira-observatory-spain a ns0:ground-observatory . ns0:nishi-kobe-observatory-japan a ns0:ground-observatory . ns0:nizamia-observatory-india a ns0:ground-observatory . ns0:nnhs-drummonds-observatory-united-kingdom a ns0:ground-observatory . ns0:noak-observatory-greece a ns0:ground-observatory . ns0:nobeyama-radio-observatory-japan a ns0:ground-observatory . ns0:nomad-observatory a ns0:ground-observatory . ns0:nonndorf-observatory-austria a ns0:ground-observatory . ns0:norba-caesarina-observatory-spain a ns0:ground-observatory . ns0:norderstedt-observatory-germany a ns0:ground-observatory . ns0:nordic-optical-telescope-at-roque-de-los-muchachos-observatory-spain a ns0:ground-observatory . ns0:norma-rose-observatory a ns0:ground-observatory . ns0:north-mesa-observatory-united-states a ns0:ground-observatory . ns0:north-observatory-united-kingdom a ns0:ground-observatory . ns0:north-ryde-observatory-australia a ns0:ground-observatory . ns0:north-scituate-observatory-united-states a ns0:ground-observatory . ns0:northbrook-meadow-observatory-united-states a ns0:ground-observatory . ns0:northern-cross-radio-telescope-array-at-medicina-radio-astronomical-station a ns0:ground-observatory . ns0:northern-skygems-observatory-spain a ns0:ground-observatory . ns0:northolt-branch-observatory-2-united-kingdom a ns0:ground-observatory . ns0:northolt-branch-observatory-3-united-kingdom a ns0:ground-observatory . ns0:northolt-branch-observatory-united-kingdom a ns0:ground-observatory . ns0:northview-observatory-united-states a ns0:ground-observatory . ns0:northwest-indiana-robotic-telescope-and-lowell-observatory-united-states a ns0:ground-observatory . ns0:northwood-ridge-observatory-united-states a ns0:ground-observatory . ns0:nova-milanese-observatory-italy a ns0:ground-observatory . ns0:novaastro-observatory-france a ns0:ground-observatory . ns0:novaloop-observatory a ns0:ground-observatory . ns0:novi-ligure-observatory-italy a ns0:ground-observatory . ns0:novoselki-observatory-ukraine a ns0:ground-observatory . ns0:nubbin-ridge-observatory-united-states a ns0:ground-observatory . ns0:nuevos-horizontes-observatory-spain a ns0:ground-observatory . ns0:nyenheim-observatory-netherlands a ns0:ground-observatory . ns0:nyrola-observatory-finland a ns0:ground-observatory . ns0:o-m-ni-a-observatory a ns0:ground-observatory . ns0:oacl-observatory-italy a ns0:ground-observatory . ns0:oaia-at-alcarras-observatory-spain a ns0:ground-observatory . ns0:oak-bay-observatory-canada a ns0:ground-observatory . ns0:oak-ridge-observatory-united-states a ns0:ground-observatory . ns0:oakley-observatory a ns0:ground-observatory . ns0:oakley-southern-sky-observatory-australia a ns0:ground-observatory . ns0:oakridge-observatory-united-states a ns0:ground-observatory . ns0:oakwood-observatory-united-states a ns0:ground-observatory . ns0:oaxaca-observatory-mexico a ns0:ground-observatory . ns0:oberfrauendorf-observatory-germany a ns0:ground-observatory . ns0:oberwichtrach-observatory-switzerland a ns0:ground-observatory . ns0:oberwiesenthal-observatory-germany a ns0:ground-observatory . ns0:observastyrium-at-stainz-bei-straden-observatory-austria a ns0:ground-observatory . ns0:observatoire-albireo-de-biot-france a ns0:ground-observatory . ns0:observatoire-astronomique-de-strasbourg-france a ns0:ground-observatory . ns0:observatoire-de-bedoin-france a ns0:ground-observatory . ns0:observatoire-de-castres-france a ns0:ground-observatory . ns0:observatoire-de-fontcaude-france a ns0:ground-observatory . ns0:observatoire-de-haute-provence-france a ns0:ground-observatory . ns0:observatoire-de-l-ardeche-france a ns0:ground-observatory . ns0:observatoire-de-la-grande-vallee-france a ns0:ground-observatory . ns0:observatoire-de-la-nine-at-canens-observatory-france a ns0:ground-observatory . ns0:observatoire-de-saint-veran-france a ns0:ground-observatory . ns0:observatoire-des-cote-de-meuse-france a ns0:ground-observatory . ns0:observatoire-du-mont-megantic a ns0:ground-observatory . ns0:observatoire-laurier-at-el-marques-observatory-mexico a ns0:ground-observatory . ns0:observatoire-midi-pyrenees-france a ns0:ground-observatory . ns0:observatoire-robert-a-naef-at-ependes-observatory-switzerland a ns0:ground-observatory . ns0:observatoire-royal-de-belgique-belgium a ns0:ground-observatory . ns0:observatori-aas-montsec-at-montsec-astronomical-observatory-spain a ns0:ground-observatory . ns0:observatori-de-santa-maria-de-montmagastrell-spain a ns0:ground-observatory . ns0:observatorio-astrofisico-de-javalambre-spain a ns0:ground-observatory . ns0:observatorio-astrofisico-guillermo-haro a ns0:ground-observatory . ns0:observatorio-astronomico-code-centro-de-observaciones-del-espacio-de-santa-fe a ns0:ground-observatory . ns0:observatorio-astronomico-do-sertao-de-itaparica-brazil a ns0:ground-observatory . ns0:observatorio-astronomico-giancarlo-beltrame-at-arcugnano-vicenza-italy a ns0:ground-observatory . ns0:observatorio-astronomico-nacional-sierra-san-pedro-martir a ns0:ground-observatory . ns0:observatorio-astronomico-uadec-mexico a ns0:ground-observatory . ns0:observatorio-azahar-at-valoria-la-buena-observatory-spain a ns0:ground-observatory . ns0:observatorio-de-l-ametlla-del-valles-spain a ns0:ground-observatory . ns0:observatorio-de-remanzacco-italy a ns0:ground-observatory . ns0:observatorio-de-vega-del-codorno-spain a ns0:ground-observatory . ns0:observatorio-del-lucero-del-alba-spain a ns0:ground-observatory . ns0:observatorio-el-miron-del-cielo-spain a ns0:ground-observatory . ns0:observatorio-estelia-spain a ns0:ground-observatory . ns0:observatorio-la-dehesilla-spain a ns0:ground-observatory . ns0:observatorio-la-senda-spain a ns0:ground-observatory . ns0:observatorio-municipal-de-campinas-jean-nicolini-brazil a ns0:ground-observatory . ns0:observatorio-novacanet-at-observatorio-novacanet-spain a ns0:ground-observatory . ns0:observatorio-oatu-at-tupi-paulista-brazil a ns0:ground-observatory . ns0:observatorio-panameno-chile a ns0:ground-observatory . ns0:observatorio-sirius-spain a ns0:ground-observatory . ns0:observatorio-trz-spain a ns0:ground-observatory . ns0:observatorio-valle-de-la-luna-at-san-pedro-de-atacama-observatory-chile a ns0:ground-observatory . ns0:observatorio-zonalunar-spain a ns0:ground-observatory . ns0:observatory-gromme-oudsbergen-belgium a ns0:ground-observatory . ns0:observatory-moers-kapellen-germany a ns0:ground-observatory . ns0:observatory-of-nurol-france a ns0:ground-observatory . ns0:observatory-of-the-collegio-romano-italy a ns0:ground-observatory . ns0:oca-anza-observatory-united-states a ns0:ground-observatory . ns0:oca-dlr-asteroid-survey-at-observatoire-de-la-cote-d-azur-france a ns0:ground-observatory . ns0:ochiai-observatory-japan a ns0:ground-observatory . ns0:odesa-astronomical-observatory-ukraine a ns0:ground-observatory . ns0:oishi-observatory-japan a ns0:ground-observatory . ns0:oizumi-observatory-japan a ns0:ground-observatory . ns0:ojai-observatory-united-states a ns0:ground-observatory . ns0:ojima-observatory-japan a ns0:ground-observatory . ns0:okayama-astrophysical-observatory-japan a ns0:ground-observatory . ns0:okutama-observatory-japan a ns0:ground-observatory . ns0:old-naval-observatory a ns0:ground-observatory . ns0:old-observatory-of-geneva-switzerland a ns0:ground-observatory . ns0:old-orchard-observatory-united-kingdom a ns0:ground-observatory . ns0:oldenburg-observatory-germany a ns0:ground-observatory . ns0:ole-romer-observatory-denmark a ns0:ground-observatory . ns0:olive-farm-observatory-united-kingdom a ns0:ground-observatory . ns0:olmen-observatory-belgium a ns0:ground-observatory . ns0:omaha-observatory-united-states a ns0:ground-observatory . ns0:omegalab-observatory-italy a ns0:ground-observatory . ns0:omsk-yogik-observatory-russia a ns0:ground-observatory . ns0:ondrejov-blueeye600-telescope-at-ondrejov-observatory-czechia a ns0:ground-observatory . ns0:ondrejov-observatory-czechia a ns0:ground-observatory . ns0:online-observatory-at-peschany-russian-federation a ns0:ground-observatory . ns0:onnens-observatory-switzerland a ns0:ground-observatory . ns0:onsala-space-observatory-sweden a ns0:ground-observatory . ns0:ontinyent-observatory-spain a ns0:ground-observatory . ns0:oosato-observatory-japan a ns0:ground-observatory . ns0:ootake-observatory-japan a ns0:ground-observatory . ns0:opera-observatory-france a ns0:ground-observatory . ns0:opicina-observatory-italy a ns0:ground-observatory . ns0:oppolzer-observatory-austria a ns0:ground-observatory . ns0:optec-observatory-united-states a ns0:ground-observatory . ns0:orbis-tertius-observatory-argentina a ns0:ground-observatory . ns0:orbitjet-observatory-united-states a ns0:ground-observatory . ns0:organ-mesa-observatory-united-states a ns0:ground-observatory . ns0:oria-observatory-spain a ns0:ground-observatory . ns0:orion-colesanti-observatory-brazil a ns0:ground-observatory . ns0:orwell-park-observatory-united-kingdom a ns0:ground-observatory . ns0:osaki-observatory-japan a ns0:ground-observatory . ns0:osenbach-observatory-france a ns0:ground-observatory . ns0:osservatorio-aldebaran-at-rivalba-observatory-italy a ns0:ground-observatory . ns0:osservatorio-antonio-grosso-italy a ns0:ground-observatory . ns0:osservatorio-astronomico-at-piobbico-observatory-italy a ns0:ground-observatory . ns0:osservatorio-astronomico-di-cima-rest-italy a ns0:ground-observatory . ns0:osservatorio-astronomico-di-gnosca-switzerland a ns0:ground-observatory . ns0:osservatorio-astronomico-orciatico-italy a ns0:ground-observatory . ns0:osservatorio-explorer-at-pula-observatory-croatia a ns0:ground-observatory . ns0:osservatorio-g-d-cassini-italy a ns0:ground-observatory . ns0:osservatorio-galileo-padova a ns0:ground-observatory . ns0:osservatorio-il-coreggiolo a ns0:ground-observatory . ns0:osservatorio-scandicci-italy a ns0:ground-observatory . ns0:osservatorio-sideris-oculus-at-san-pietro-in-gu-observatory-italy a ns0:ground-observatory . ns0:ostervold-observatory-denmark a ns0:ground-observatory . ns0:ostrorog-observatory-poland a ns0:ground-observatory . ns0:ostrov-observatory-romania a ns0:ground-observatory . ns0:ostrowik-observatory-poland a ns0:ground-observatory . ns0:osuna-observatory-spain a ns0:ground-observatory . ns0:ottawa-geomagnetic-observatory a ns0:ground-observatory . ns0:ottmarsheim-observatory-france a ns0:ground-observatory . ns0:ottoservatorio-tatui a ns0:ground-observatory . ns0:oukaimeden-observatory-morocco a ns0:ground-observatory . ns0:our-lady-of-perpetual-help-observatory-united-states a ns0:ground-observatory . ns0:ourense-observatory-spain a ns0:ground-observatory . ns0:overberg-observatory-south-africa a ns0:ground-observatory . ns0:oviedo-observatory-spain a ns0:ground-observatory . ns0:ovm-observatory a ns0:ground-observatory . ns0:owens-valley-radio-observatory a ns0:ground-observatory . ns0:owl-net-observatory-at-oukaimeden-morocco a ns0:ground-observatory . ns0:owl-net-observatory-at-songino-mongolia a ns0:ground-observatory . ns0:owl-net-observatory-israel a ns0:ground-observatory . ns0:owl-net-observatory-south-korea a ns0:ground-observatory . ns0:owls-and-ravens-observatory-germany a ns0:ground-observatory . ns0:p-m-p-h-r-deep-sky-observatory-italy a ns0:ground-observatory . ns0:p2-observatory-united-states a ns0:ground-observatory . ns0:pacific-sky-observatory-united-states a ns0:ground-observatory . ns0:pakchong-observatory-thailand a ns0:ground-observatory . ns0:palazzo-bindi-sergardi-observatory-italy a ns0:ground-observatory . ns0:palestrina-observatory-italy a ns0:ground-observatory . ns0:pallerols-observatory-spain a ns0:ground-observatory . ns0:palmer-divide-observatory-united-states a ns0:ground-observatory . ns0:palmerston-north-observatory-new-zealand a ns0:ground-observatory . ns0:palo-alto-observatory-united-states a ns0:ground-observatory . ns0:palomar-observatory-united-states a ns0:ground-observatory . ns0:palominas-observatory-united-states a ns0:ground-observatory . ns0:panker-observatory-germany a ns0:ground-observatory . ns0:paranal-observatory-chile a ns0:ground-observatory . ns0:paris-observatory-france a ns0:ground-observatory . ns0:parma-observatory-italy a ns0:ground-observatory . ns0:partizanske-observatory-slovakia a ns0:ground-observatory . ns0:pastis-observatory-france a ns0:ground-observatory . ns0:paul-robinson-observatory-at-voorhees-state-park-united-states a ns0:ground-observatory . ns0:paul-wild-observatory-australia a ns0:ground-observatory . ns0:paus-observatory-spain a ns0:ground-observatory . ns0:peach-mountain-observatory-united-states a ns0:ground-observatory . ns0:pear-tree-observatory-united-states a ns0:ground-observatory . ns0:pele-s-observatory-at-ager-spain a ns0:ground-observatory . ns0:penamayor-observatory-spain a ns0:ground-observatory . ns0:penn-heights-observatory-united-kingdom a ns0:ground-observatory . ns0:penwortham-observatory-australia a ns0:ground-observatory . ns0:penzing-astrometric-observatory-austria a ns0:ground-observatory . ns0:perkins-observatory a ns0:ground-observatory . ns0:perpignan-observatory-france a ns0:ground-observatory . ns0:perth-observatory-australia a ns0:ground-observatory . ns0:peschiera-del-garda-observatory-italy a ns0:ground-observatory . ns0:pescope-observatory-south-africa a ns0:ground-observatory . ns0:petit-jean-mountain-observatory-united-states a ns0:ground-observatory . ns0:petit-sant-feliu-observatory-spain a ns0:ground-observatory . ns0:petrozavodsk-observatory-russian-federation a ns0:ground-observatory . ns0:peverell-observatory-united-kingdom a ns0:ground-observatory . ns0:peyrole-observatory-france a ns0:ground-observatory . ns0:phillips-academy-observatory-united-states a ns0:ground-observatory . ns0:pianoro-observatory-italy a ns0:ground-observatory . ns0:piazzano-observatory-italy a ns0:ground-observatory . ns0:pic-du-midi-observatory-france a ns0:ground-observatory . ns0:picard-observatory-austria a ns0:ground-observatory . ns0:pico-dos-dias-observatory-brazil a ns0:ground-observatory . ns0:piconcillo-observatory-spain a ns0:ground-observatory . ns0:picoto-observatory-portugal a ns0:ground-observatory . ns0:piera-observatory a ns0:ground-observatory . ns0:piero-angela-observatory-italy a ns0:ground-observatory . ns0:pierre-auger-observatory-argentina a ns0:ground-observatory . ns0:pieta-observatory-malta a ns0:ground-observatory . ns0:pin-oak-observatory a ns0:ground-observatory . ns0:pineapple-observatory-united-states a ns0:ground-observatory . ns0:pinsoro-observatory-spain a ns0:ground-observatory . ns0:pinto-valley-observatory-united-states a ns0:ground-observatory . ns0:piombino-observatory-italy a ns0:ground-observatory . ns0:pises-observatory-france a ns0:ground-observatory . ns0:pisgah-astronomical-research-institute-united-states a ns0:ground-observatory . ns0:pistoia-mountains-astronomical-observatory-italy a ns0:ground-observatory . ns0:piszkesteto-observatory-hungary a ns0:ground-observatory . ns0:pla-d-arguines-observatory-spain a ns0:ground-observatory . ns0:planetary-astronomical-observatory-of-anzi-italy a ns0:ground-observatory . ns0:platanus-observatory-poland a ns0:ground-observatory . ns0:plateau-astronomique-la-couronne-observatory-france a ns0:ground-observatory . ns0:plateau-observatory-for-dome-a-at-kunlun-station-antarctica a ns0:ground-observatory . ns0:pleasant-grove-observatory-united-states a ns0:ground-observatory . ns0:pleasanton-observatory-united-states a ns0:ground-observatory . ns0:pleiade-observatory a ns0:ground-observatory . ns0:pleiades-observatory-canada a ns0:ground-observatory . ns0:plessisville-observatory-canada a ns0:ground-observatory . ns0:plomer-observatory-argentina a ns0:ground-observatory . ns0:plonsk-observatory-poland a ns0:ground-observatory . ns0:po-leung-kuk-observatory-china a ns0:ground-observatory . ns0:polaris-observatory-hungary a ns0:ground-observatory . ns0:polino-astronomical-observatory-italy a ns0:ground-observatory . ns0:polonia-observatory-chile a ns0:ground-observatory . ns0:polop-observatory-spain a ns0:ground-observatory . ns0:polse-di-cougnes-observatory-italy a ns0:ground-observatory . ns0:pommier-observatory-france a ns0:ground-observatory . ns0:ponferrada-observatory-spain a ns0:ground-observatory . ns0:ponte-uso-observatory-italy a ns0:ground-observatory . ns0:popovich-observatory-ukraine a ns0:ground-observatory . ns0:port-ste-marie-observatory-france a ns0:ground-observatory . ns0:posadas-observatory-spain a ns0:ground-observatory . ns0:possum-observatory-new-zealand a ns0:ground-observatory . ns0:pousada-dos-anoes-observatory-brazil a ns0:ground-observatory . ns0:povegliano-veronese-observatory-italy a ns0:ground-observatory . ns0:poway-valley-observatory-united-states a ns0:ground-observatory . ns0:powell-observatory a ns0:ground-observatory . ns0:poznan-observatory a ns0:ground-observatory . ns0:pozuelo-observatory-spain a ns0:ground-observatory . ns0:prairie-grass-observatory a ns0:ground-observatory . ns0:prato-observatory-italy a ns0:ground-observatory . ns0:prescott-observatory-united-states a ns0:ground-observatory . ns0:preston-hills-observatory-united-states a ns0:ground-observatory . ns0:principia-astronomical-observatory a ns0:ground-observatory . ns0:principia-observatory-spain a ns0:ground-observatory . ns0:promiod-observatory-italy a ns0:ground-observatory . ns0:prompt-observatory-australia a ns0:ground-observatory . ns0:provencal-baronnies-observatory-france a ns0:ground-observatory . ns0:proxima-centauri-observatory-at-valdin-spain a ns0:ground-observatory . ns0:prude-ranch-observatory-united-states a ns0:ground-observatory . ns0:ps-observatory-parjol-romania a ns0:ground-observatory . ns0:public-observatory-mainz-germany a ns0:ground-observatory . ns0:puchenstuben-observatory-austria a ns0:ground-observatory . ns0:puckett-observatory a ns0:ground-observatory . ns0:puckett-observatory-stone-mountain-united-states a ns0:ground-observatory . ns0:pueyrredon-observatory-argentina a ns0:ground-observatory . ns0:pujalt-observatory-spain a ns0:ground-observatory . ns0:pula-observatory-croatia a ns0:ground-observatory . ns0:pulkovo-observatory-russian-federation a ns0:ground-observatory . ns0:puna-auia-observatory-french-polynesia a ns0:ground-observatory . ns0:purgathofer-sternwarte-observatory-austria a ns0:ground-observatory . ns0:purple-mountain-observatory-at-lenghu-china a ns0:ground-observatory . ns0:purple-mountain-observatory-at-yaoan-station-china a ns0:ground-observatory . ns0:purple-mountain-observatory-china a ns0:ground-observatory . ns0:purple-mountain-observatory-jiama-erdeng-china a ns0:ground-observatory . ns0:purple-mountain-observatory-xuyi-station-china a ns0:ground-observatory . ns0:puschino-observatory-russia a ns0:ground-observatory . ns0:putman-mountain-observatory-united-states a ns0:ground-observatory . ns0:puzol-observatory-spain a ns0:ground-observatory . ns0:pymoor-observatory-united-kingdom a ns0:ground-observatory . ns0:qingdao-observatory-china a ns0:ground-observatory . ns0:qos-observatory-at-zalistsi-ukraine a ns0:ground-observatory . ns0:quail-hollow-observatory-united-states a ns0:ground-observatory . ns0:quainton-observatory-united-kingdom a ns0:ground-observatory . ns0:quincampoix-observatory-france a ns0:ground-observatory . ns0:quinns-rock-observatory-australia a ns0:ground-observatory . ns0:quito-astronomical-observatory-ecuador a ns0:ground-observatory . ns0:quito-observatory-ecuador a ns0:ground-observatory . ns0:quonochontaug-observatory-united-states a ns0:ground-observatory . ns0:r-f-joyce-observatory-new-zealand a ns0:ground-observatory . ns0:radcliffe-observatory a ns0:ground-observatory . ns0:radebeul-observatory-germany a ns0:ground-observatory . ns0:radio-65m-telescope-at-sheshan-observatory a ns0:ground-observatory . ns0:radio-deep-space-network a ns0:ground-observatory . ns0:ragdon-observatory-united-kingdom a ns0:ground-observatory . ns0:raheny-observatory-ireland a ns0:ground-observatory . ns0:rainbow-observatory-australia a ns0:ground-observatory . ns0:raleigh-observatory-united-kingdom a ns0:ground-observatory . ns0:ramonville-saint-agne-observatory-france a ns0:ground-observatory . ns0:rancho-del-sol-observatory-united-states a ns0:ground-observatory . ns0:rancho-palos-verdes-observatory-united-states a ns0:ground-observatory . ns0:rand-ii-observatory-united-states a ns0:ground-observatory . ns0:rand-observatory-united-states a ns0:ground-observatory . ns0:rani-observatory a ns0:ground-observatory . ns0:rantiga-observatory-italy a ns0:ground-observatory . ns0:rapid-action-telescope-for-transient-objects-at-calern-observatory a ns0:ground-observatory . ns0:rapid-city-observatory-united-states a ns0:ground-observatory . ns0:ras-observatory-australia a ns0:ground-observatory . ns0:ras-observatory-moorook-australia a ns0:ground-observatory . ns0:ras-observatory-officer-australia a ns0:ground-observatory . ns0:raso-observatory-germany a ns0:ground-observatory . ns0:rattle-snake-observatory-united-states a ns0:ground-observatory . ns0:ray-observatory-japan a ns0:ground-observatory . ns0:rdss-observatory-russia a ns0:ground-observatory . ns0:real-instituto-y-observatorio-de-la-armada a ns0:ground-observatory . ns0:red-barn-observatory-united-states a ns0:ground-observatory . ns0:red-fox-observatory a ns0:ground-observatory . ns0:red-lion-observatory-united-states a ns0:ground-observatory . ns0:red-mountain-observatory-united-states a ns0:ground-observatory . ns0:redondo-beach-observatory-united-states a ns0:ground-observatory . ns0:redshed-observatory-austria a ns0:ground-observatory . ns0:redstone-arsenal-observatory-united-states a ns0:ground-observatory . ns0:reedy-creek-observatory a ns0:ground-observatory . ns0:reilhanette-observatory-france a ns0:ground-observatory . ns0:reintal-observatory-germany a ns0:ground-observatory . ns0:remeis-observatory a ns0:ground-observatory . ns0:remote-astronomical-society-observatory-of-new-mexico-united-states a ns0:ground-observatory . ns0:remote-observatory-at-hakos-astrofarm-namibia a ns0:ground-observatory . ns0:requena-observatory-spain a ns0:ground-observatory . ns0:resse-observatory-germany a ns0:ground-observatory . ns0:retamar-observatory-spain a ns0:ground-observatory . ns0:reynolds-observatory a ns0:ground-observatory . ns0:rezman-observatory-slovenia a ns0:ground-observatory . ns0:rho-ophiocus-observatory-spain a ns0:ground-observatory . ns0:ricky-observatory-united-states a ns0:ground-observatory . ns0:riethnordhausen-observatory-germany a ns0:ground-observatory . ns0:rimbach-observatory-germany a ns0:ground-observatory . ns0:rio-cofio-observatory-spain a ns0:ground-observatory . ns0:rit-observatory a ns0:ground-observatory . ns0:rivalta-observatory-italy a ns0:ground-observatory . ns0:river-moss-observatory-united-states a ns0:ground-observatory . ns0:river-oaks-observatory-united-states a ns0:ground-observatory . ns0:river-ridge-observatory-united-states a ns0:ground-observatory . ns0:riverside-observatory-united-states a ns0:ground-observatory . ns0:rixeyville-observatory-united-states a ns0:ground-observatory . ns0:rms-observatory-united-states a ns0:ground-observatory . ns0:roasterr-1-observatory-romania a ns0:ground-observatory . ns0:robert-mayer-sternwarte-at-heilbronn-observatory-germany a ns0:ground-observatory . ns0:robotic-optical-transient-search-experiment-at-los-alamos-observatory-united-states a ns0:ground-observatory . ns0:rocca-observatory-brazil a ns0:ground-observatory . ns0:rochedale-observatory-australia a ns0:ground-observatory . ns0:rock-finder-observatory-calgary-canada a ns0:ground-observatory . ns0:rockland-observatory a ns0:ground-observatory . ns0:rodeno-observatory-spain a ns0:ground-observatory . ns0:roeser-observatory-luxembourg a ns0:ground-observatory . ns0:rokycany-observatory-czechia a ns0:ground-observatory . ns0:rolf-chini-cerro-murphy-observatory-chile a ns0:ground-observatory . ns0:rolling-hills-observatory-united-states a ns0:ground-observatory . ns0:rolvenden-observatory-united-kingdom a ns0:ground-observatory . ns0:romito-observatory-italy a ns0:ground-observatory . ns0:ronda-observatory-spain a ns0:ground-observatory . ns0:rondchamp-observatory-switzerland a ns0:ground-observatory . ns0:ropng-kkn-observatory-thailand a ns0:ground-observatory . ns0:roque-de-los-muchachos-observatory-and-south-african-astronomical-observatory a ns0:ground-observatory . ns0:roque-de-los-muchachos-observatory-spain a ns0:ground-observatory . ns0:rosa-observatory-france a ns0:ground-observatory . ns0:rosamund-obervatory-dsc-rio-hurtado-chile a ns0:ground-observatory . ns0:rosarno-observatory-italy a ns0:ground-observatory . ns0:rose-cottage-observatory-united-kingdom a ns0:ground-observatory . ns0:rose-hulman-observatory a ns0:ground-observatory . ns0:rosemary-hill-observatory-united-states a ns0:ground-observatory . ns0:roser-observatory-spain a ns0:ground-observatory . ns0:rothney-astrophysical-observatory-canada a ns0:ground-observatory . ns0:rouet-observatory-france a ns0:ground-observatory . ns0:royal-observatory-cape-of-good-hope-south-africa a ns0:ground-observatory . ns0:royal-observatory-greenwich-united-kingdom a ns0:ground-observatory . ns0:royal-observatory-of-madrid a ns0:ground-observatory . ns0:royal-park-observatory-spain a ns0:ground-observatory . ns0:rpf-observatory a ns0:ground-observatory . ns0:runcorn-observatory-united-kingdom a ns0:ground-observatory . ns0:rushay-farm-observatory-united-kingdom a ns0:ground-observatory . ns0:rusty-mountain-observatory-united-states a ns0:ground-observatory . ns0:rutherford-observatory a ns0:ground-observatory . ns0:s-gravenwezel-observatory-belgium a ns0:ground-observatory . ns0:saarbruecken-rastpfuhl-observatory-germany a ns0:ground-observatory . ns0:sabadell-observatory-spain a ns0:ground-observatory . ns0:sabino-canyon-observatory a ns0:ground-observatory . ns0:sacramento-peak-observatory a ns0:ground-observatory . ns0:sadr-observatory-chile a ns0:ground-observatory . ns0:saguaro-observatory-united-states a ns0:ground-observatory . ns0:saint-barthelemy-observatory-italy a ns0:ground-observatory . ns0:saint-caprais-observatory-france a ns0:ground-observatory . ns0:saint-domineuc-observatory-france a ns0:ground-observatory . ns0:saint-felicien-observatory-canada a ns0:ground-observatory . ns0:saint-michel-sur-meurthe-observatory-france a ns0:ground-observatory . ns0:saint-pardon-de-conques-observatory-france a ns0:ground-observatory . ns0:saint-saturnin-les-avignon-observatory-france a ns0:ground-observatory . ns0:saint-sulpice-observatory-france a ns0:ground-observatory . ns0:sainte-clotilde-observatory-france a ns0:ground-observatory . ns0:sainte-helene-observatory-france a ns0:ground-observatory . ns0:saji-observatory-japan a ns0:ground-observatory . ns0:sakai-observatory-japan a ns0:ground-observatory . ns0:sakamoto-observatory-japan a ns0:ground-observatory . ns0:saku-observatory-japan a ns0:ground-observatory . ns0:sakura-station-observatory-japan a ns0:ground-observatory . ns0:salida-observatory a ns0:ground-observatory . ns0:saltsjobaden-observatory-sweden a ns0:ground-observatory . ns0:salvador-astronomical-observatory-argentina a ns0:ground-observatory . ns0:salvatore-di-giacomo-observatory-italy a ns0:ground-observatory . ns0:salvia-observatory-france a ns0:ground-observatory . ns0:samford-valley-observatory-australia a ns0:ground-observatory . ns0:san-benedetto-po-observatory-italy a ns0:ground-observatory . ns0:san-clemente-observatory-united-states a ns0:ground-observatory . ns0:san-costantino-observatory-italy a ns0:ground-observatory . ns0:san-defendente-observatory-italy a ns0:ground-observatory . ns0:san-emigdio-peak-observatory-united-states a ns0:ground-observatory . ns0:san-gabriel-observatory-spain a ns0:ground-observatory . ns0:san-lazzaro-di-savena-observatory-italy a ns0:ground-observatory . ns0:san-marco-observatory-italy a ns0:ground-observatory . ns0:san-pedro-de-atacama-observatory-chile a ns0:ground-observatory . ns0:san-pedro-de-atacama-station-observatory-chile a ns0:ground-observatory . ns0:san-polo-a-mosciano-observatory-italy a ns0:ground-observatory . ns0:san-vito-a-montelupo-observatory-italy a ns0:ground-observatory . ns0:san-vittore-observatory-italy a ns0:ground-observatory . ns0:sanderphil-urban-observatory-italy a ns0:ground-observatory . ns0:sandia-view-observatory-united-states a ns0:ground-observatory . ns0:sandlot-observatory-united-states a ns0:ground-observatory . ns0:sandvreten-observatory-sweden a ns0:ground-observatory . ns0:sanglok-observatory-tajikistan a ns0:ground-observatory . ns0:sant-celoni-observatory-spain a ns0:ground-observatory . ns0:sant-gervasi-observatory-spain a ns0:ground-observatory . ns0:sant-marti-sesgueioles-observatory-spain a ns0:ground-observatory . ns0:sant-pere-observatory-spain a ns0:ground-observatory . ns0:santa-coloma-de-gramenet-observatory-spain a ns0:ground-observatory . ns0:santa-lucia-stroncone-astronomical-observatory-italy a ns0:ground-observatory . ns0:santa-mama-observatory-italy a ns0:ground-observatory . ns0:santa-pola-observatory-spain a ns0:ground-observatory . ns0:santana-observatory-united-states a ns0:ground-observatory . ns0:santel-observatory-argentina a ns0:ground-observatory . ns0:santiago-san-bernardo-observatory-chile a ns0:ground-observatory . ns0:sapporo-observatory-japan a ns0:ground-observatory . ns0:sapporo-science-center a ns0:ground-observatory . ns0:sarajevo-observatory-bosnia-and-herzegovina a ns0:ground-observatory . ns0:sassari-observatory-italy a ns0:ground-observatory . ns0:sassoeiros-observatory-portugal a ns0:ground-observatory . ns0:satino-remote-observatory a ns0:ground-observatory . ns0:sauro-donati-astronomical-observatory-italy a ns0:ground-observatory . ns0:savelli-observatory-italy a ns0:ground-observatory . ns0:savigny-le-temple-observatory-france a ns0:ground-observatory . ns0:sayan-solar-observatory-russia a ns0:ground-observatory . ns0:sayre-observatory a ns0:ground-observatory . ns0:schaerding-observatory-austria a ns0:ground-observatory . ns0:schafmatt-observatory-switzerland a ns0:ground-observatory . ns0:schela-observatory-romania a ns0:ground-observatory . ns0:scheuren-observatory-germany a ns0:ground-observatory . ns0:schiaparelli-southern-observatory-namibia a ns0:ground-observatory . ns0:schmelz-observatory-germany a ns0:ground-observatory . ns0:schonfeld-observatory-germany a ns0:ground-observatory . ns0:school-1502-rooftop-observatory-russian-federation a ns0:ground-observatory . ns0:schuelerlabor-astronomie-st-7-observatory-germany a ns0:ground-observatory . ns0:schwerin-observatory-germany a ns0:ground-observatory . ns0:scott-observatory-united-states a ns0:ground-observatory . ns0:scott-street-observatory-new-zealand a ns0:ground-observatory . ns0:sedgefield-observatory-south-africa a ns0:ground-observatory . ns0:seeberg-observatory-germany a ns0:ground-observatory . ns0:segorbe-observatory-spain a ns0:ground-observatory . ns0:sencelles-observatory-spain a ns0:ground-observatory . ns0:sendai-astronomical-observatory-ayashi-station-japan a ns0:ground-observatory . ns0:sendai-astronomical-observatory-japan a ns0:ground-observatory . ns0:sendai-municipal-observatory-japan a ns0:ground-observatory . ns0:sendling-observatory-germany a ns0:ground-observatory . ns0:senftenberger-sternwarte-observatory-czechia a ns0:ground-observatory . ns0:sengamine-observatory-japan a ns0:ground-observatory . ns0:seron-observatory-spain a ns0:ground-observatory . ns0:serra-la-nave-observatory-italy a ns0:ground-observatory . ns0:serra-observatory-italy a ns0:ground-observatory . ns0:seveso-observatory-italy a ns0:ground-observatory . ns0:sfa-observatory a ns0:ground-observatory . ns0:sgt-observatory-austria a ns0:ground-observatory . ns0:shache-station-observatory-china a ns0:ground-observatory . ns0:shamrock-banks-observatory-united-states a ns0:ground-observatory . ns0:shandong-university-observatory a ns0:ground-observatory . ns0:shanghai-astronomical-observatory-chile-station-at-el-sauce-observatory-chile a ns0:ground-observatory . ns0:sharjah-observatory-united-arab-emirates a ns0:ground-observatory . ns0:shasta-valley-observatory-united-states a ns0:ground-observatory . ns0:shattuck-observatory a ns0:ground-observatory . ns0:shed-of-science-south-observatory a ns0:ground-observatory . ns0:sheltozero-station-observatory-russian-federation a ns0:ground-observatory . ns0:shenton-park-observatory-australia a ns0:ground-observatory . ns0:sherbrooke-observatory-canada a ns0:ground-observatory . ns0:sheridan-observatory-united-states a ns0:ground-observatory . ns0:sheshan-observatory-china a ns0:ground-observatory . ns0:shimada-observatory-japan a ns0:ground-observatory . ns0:shimotsuma-observatory-japan a ns0:ground-observatory . ns0:shinshiro-observatory-japan a ns0:ground-observatory . ns0:shishikui-observatory-japan a ns0:ground-observatory . ns0:shizuoka-observatory-japan a ns0:ground-observatory . ns0:siberian-state-aerospace-university-observatory a ns0:ground-observatory . ns0:siding-spring-observatory-australia a ns0:ground-observatory . ns0:siding-spring-observatory-itelescope-observatory-australia a ns0:ground-observatory . ns0:sidoli-observatory-argentina a ns0:ground-observatory . ns0:siegen-observatory a ns0:ground-observatory . ns0:siek-observatory-germany a ns0:ground-observatory . ns0:siena-observatory-spain a ns0:ground-observatory . ns0:sierra-contraviesa-observatory-spain a ns0:ground-observatory . ns0:sierra-nevada-observatory-spain a ns0:ground-observatory . ns0:sierra-remote-observatories-auberry-united-states a ns0:ground-observatory . ns0:sierra-sinagua-observatory-flagstaff a ns0:ground-observatory . ns0:sierra-stars-observatory-united-states a ns0:ground-observatory . ns0:silbergraben-observatory-germany a ns0:ground-observatory . ns0:silver-city-observatory a ns0:ground-observatory . ns0:silver-spring-observatory-united-states a ns0:ground-observatory . ns0:simeiz-observatory-ukraine a ns0:ground-observatory . ns0:sinsen-observatory-germany a ns0:ground-observatory . ns0:sintini-observatory-italy a ns0:ground-observatory . ns0:skalnate-pleso-observatory-slovakia a ns0:ground-observatory . ns0:skibotn-astrophysical-observatory-norway a ns0:ground-observatory . ns0:sky-vistas-observatory-austria a ns0:ground-observatory . ns0:skybor-observatory-spain a ns0:ground-observatory . ns0:skygems-chile-at-rio-hurtado-observatory-chile a ns0:ground-observatory . ns0:skygems-dreamscope-at-beryl-junction-observatory-united-states a ns0:ground-observatory . ns0:skygems-namibia-remote-observatory-namibia a ns0:ground-observatory . ns0:skyledge-observatory-united-states a ns0:ground-observatory . ns0:skylive-observatory-italy a ns0:ground-observatory . ns0:slooh-com-canary-islands-observatory-spain a ns0:ground-observatory . ns0:slope-rock-observatory-finland a ns0:ground-observatory . ns0:small-astronomy-satellite-3-part-of-nasa-small-astronomy-satellite-3-mission a ns0:ground-observatory . ns0:smith-college-observatory a ns0:ground-observatory . ns0:smith-river-observatory-united-states a ns0:ground-observatory . ns0:smolecin-observatory-poland a ns0:ground-observatory . ns0:snohomish-hilltop-observatory-united-states a ns0:ground-observatory . ns0:snx-net-at-el-sauce-observatory-chile a ns0:ground-observatory . ns0:snx-net-at-hakos-astrofarm-namibia a ns0:ground-observatory . ns0:snx-net-at-moorook-observatory-australia a ns0:ground-observatory . ns0:snx-net-at-prodromos-observatory-cyprus a ns0:ground-observatory . ns0:snx-net-at-siding-spring-observatory-australia a ns0:ground-observatory . ns0:snx-net-at-wailuku-observatory-united-states a ns0:ground-observatory . ns0:sobaeksan-optical-astronomy-observatory-south-korea a ns0:ground-observatory . ns0:sobradillo-observatory-spain a ns0:ground-observatory . ns0:socorro-observatory-united-states a ns0:ground-observatory . ns0:soerth-observatory-germany a ns0:ground-observatory . ns0:sogel-observatory-germany a ns0:ground-observatory . ns0:soisy-sur-seine-observatory-france a ns0:ground-observatory . ns0:solaris-observatory-poland a ns0:ground-observatory . ns0:solingen-observatory-germany a ns0:ground-observatory . ns0:sollies-pont-observatory-france a ns0:ground-observatory . ns0:sommers-bausch-observatory-united-states a ns0:ground-observatory . ns0:sonear-observatory-brazil a ns0:ground-observatory . ns0:sonear-wykrota-ceamig-observatory-brazil a ns0:ground-observatory . ns0:sonneberg-observatory-germany a ns0:ground-observatory . ns0:sonoita-research-observatory-united-states a ns0:ground-observatory . ns0:sonoran-desert-skies-observatory a ns0:ground-observatory . ns0:sonoran-skies-observatory-united-states a ns0:ground-observatory . ns0:sooke-observatory-canada a ns0:ground-observatory . ns0:sopot-astronomical-observatory-serbia a ns0:ground-observatory . ns0:sormano-2-observatory-italy a ns0:ground-observatory . ns0:sormano-astronomical-observatory-italy a ns0:ground-observatory . ns0:south-african-astronomical-observatory-south-africa a ns0:ground-observatory . ns0:south-observatory-united-kingdom a ns0:ground-observatory . ns0:south-wonston-observatory-united-kingdom a ns0:ground-observatory . ns0:southend-bradfield-observatory-united-kingdom a ns0:ground-observatory . ns0:southern-stars-observatory-france a ns0:ground-observatory . ns0:southside-observatory-united-kingdom a ns0:ground-observatory . ns0:southwater-observatory-united-kingdom a ns0:ground-observatory . ns0:sozzago-astronomical-station-italy a ns0:ground-observatory . ns0:space-observatory-at-wurzburg-germany a ns0:ground-observatory . ns0:space-surveillance-telescope-at-atom-site-observatory-united-states a ns0:ground-observatory . ns0:space-tracking-and-communications-center-at-jaxa-observatory-japan a ns0:ground-observatory . ns0:spaceguard-center-observatory-united-kingdom a ns0:ground-observatory . ns0:spacewatch-project-at-kitt-peak-observatory a ns0:ground-observatory . ns0:sparky-s-stars-at-masseris-observatory-italy a ns0:ground-observatory . ns0:special-astrophysical-observatory-of-the-russian-academy-of-science a ns0:ground-observatory . ns0:speculoos-south-observatory-chile a ns0:ground-observatory . ns0:speranza-observatory-new-zealand a ns0:ground-observatory . ns0:spica-observatory-italy a ns0:ground-observatory . ns0:spirit-marsh-observatory-united-states a ns0:ground-observatory . ns0:springbok-observatory-namibia a ns0:ground-observatory . ns0:springe-observatory-germany a ns0:ground-observatory . ns0:squirrel-valley-observatory-united-states a ns0:ground-observatory . ns0:st-andrews-observatory-united-kingdom a ns0:ground-observatory . ns0:st-george-observatory-romania a ns0:ground-observatory . ns0:st-martin-observatory-france a ns0:ground-observatory . ns0:st-mellons-observatory-united-kingdom a ns0:ground-observatory . ns0:st-paul-observatory-france a ns0:ground-observatory . ns0:stakenbridge-observatory-united-kingdom a ns0:ground-observatory . ns0:stamford-observatory-united-states a ns0:ground-observatory . ns0:stammersdorf-observatory-austria a ns0:ground-observatory . ns0:stanley-laver-observatory-united-kingdom a ns0:ground-observatory . ns0:star-cruiser-observatory-united-states a ns0:ground-observatory . ns0:star-quarry-observatory-bedford a ns0:ground-observatory . ns0:star-ridge-observatory-united-states a ns0:ground-observatory . ns0:stardome-observatory-new-zealand a ns0:ground-observatory . ns0:stardreams-observatory-romania a ns0:ground-observatory . ns0:stardust-observatory-romania a ns0:ground-observatory . ns0:starfront-observatories-at-rockwood-united-states a ns0:ground-observatory . ns0:starhoo-observatory a ns0:ground-observatory . ns0:starhopper-observatory-romania a ns0:ground-observatory . ns0:starkenburg-observatory-germany a ns0:ground-observatory . ns0:starlab-observatory-russia a ns0:ground-observatory . ns0:starlight-observatory-china a ns0:ground-observatory . ns0:starry-knight-observatory-united-states a ns0:ground-observatory . ns0:starry-night-observatory a ns0:ground-observatory . ns0:starry-wanderer-observatory-belarus a ns0:ground-observatory . ns0:state-university-of-missouri-observatory a ns0:ground-observatory . ns0:stazione-astronomica-betelgeuse-observatory-italy a ns0:ground-observatory . ns0:stazione-astronomica-le-pleiadi-italy a ns0:ground-observatory . ns0:stefanik-s-observatory-czechia a ns0:ground-observatory . ns0:stellar-society-observatory-bulgaria a ns0:ground-observatory . ns0:sterni-observatory-germany a ns0:ground-observatory . ns0:sternwarte-feuerstein-observatory-germany a ns0:ground-observatory . ns0:sternwarte-herne-germany a ns0:ground-observatory . ns0:sternwarte-kirchheim-observatory-germany a ns0:ground-observatory . ns0:sternwarte-mirasteilas-observatory-switzerland a ns0:ground-observatory . ns0:sternwarte-neanderhohe-hochdahl-observatory-germany a ns0:ground-observatory . ns0:sterrenburg-observatory-netherlands a ns0:ground-observatory . ns0:steward-observatory a ns0:ground-observatory . ns0:stia-observatory-italy a ns0:ground-observatory . ns0:stixendorf-observatory-austria a ns0:ground-observatory . ns0:stockholm-observatory-sweden a ns0:ground-observatory . ns0:stockport-observatory-australia a ns0:ground-observatory . ns0:stone-edge-observatory-united-states a ns0:ground-observatory . ns0:stone-finder-observatory a ns0:ground-observatory . ns0:stonegate-observatory-united-states a ns0:ground-observatory . ns0:stonehenge-observatory-united-states a ns0:ground-observatory . ns0:stony-ridge-observatory-united-states a ns0:ground-observatory . ns0:stowupland-observatory-united-kingdom a ns0:ground-observatory . ns0:strawberry-field-observatory-united-kingdom a ns0:ground-observatory . ns0:stull-observatory a ns0:ground-observatory . ns0:stuttgart-hoffeld-observatory-germany a ns0:ground-observatory . ns0:stuttgart-observatory-germany a ns0:ground-observatory . ns0:submillimeter-array-at-mauna-kea-observatory-united-states a ns0:ground-observatory . ns0:submillimeter-wave-1-2m-telescope-at-nobeyama-radio-observatory a ns0:ground-observatory . ns0:sudbury-neutrino-observatory a ns0:ground-observatory . ns0:sukagawa-observatory-japan a ns0:ground-observatory . ns0:sulphur-flats-observatory-united-states a ns0:ground-observatory . ns0:sumoto-observatory-japan a ns0:ground-observatory . ns0:sunflower-observatory-united-states a ns0:ground-observatory . ns0:sunhill-observatory-united-states a ns0:ground-observatory . ns0:sunny-transcarpathian-at-mukachevo-observatory-ukraine a ns0:ground-observatory . ns0:suno-astronomical-observatory-italy a ns0:ground-observatory . ns0:sunriver-nature-center-observatory-united-states a ns0:ground-observatory . ns0:suntopia-marina-observatory-japan a ns0:ground-observatory . ns0:super-wide-angle-search-for-planets-extra-solar-planet-detection-program-at-roque-de-los-muchachos-observatory-and-south-african-astronomical-observatory a ns0:ground-observatory . ns0:sura-gardens-observatory-ukraine a ns0:ground-observatory . ns0:sutherland-observatory-south-africa a ns0:ground-observatory . ns0:svh-observatory-at-blairstown-united-states a ns0:ground-observatory . ns0:swan-hill-observatory-australia a ns0:ground-observatory . ns0:swan-reach-imaging-at-glenalta-observatory-australia a ns0:ground-observatory . ns0:swedenborg-observatory-at-bockholmwik-germany a ns0:ground-observatory . ns0:swf-observatory-united-kingdom a ns0:ground-observatory . ns0:swift-gamma-ray-burst-mission-investigation a ns0:ground-observatory . ns0:swilken-brae-observatory-united-kingdom a ns0:ground-observatory . ns0:sydney-observatory-australia a ns0:ground-observatory . ns0:szamotuly-galowo-observatory-poland a ns0:ground-observatory . ns0:szeged-observatory-hungary a ns0:ground-observatory . ns0:table-mountain-observatory a ns0:ground-observatory . ns0:tacande-observatory-spain a ns0:ground-observatory . ns0:tacubaya-observatory-mexico a ns0:ground-observatory . ns0:tajimi-observatory-japan a ns0:ground-observatory . ns0:takanezawa-observatory-japan a ns0:ground-observatory . ns0:takapuna-observatory-new-zealand a ns0:ground-observatory . ns0:talcott-mountain-science-center a ns0:ground-observatory . ns0:tamaris-observatory-france a ns0:ground-observatory . ns0:tamworth-observatory-australia a ns0:ground-observatory . ns0:tangra-observatory-australia a ns0:ground-observatory . ns0:tara-observatory-united-states a ns0:ground-observatory . ns0:tarbatness-observatory-united-kingdom a ns0:ground-observatory . ns0:tarija-observatory-bolivia a ns0:ground-observatory . ns0:tarleton-state-university-observatory-united-states a ns0:ground-observatory . ns0:tartu-observatory-estonia a ns0:ground-observatory . ns0:tartu-old-observatory-estonia a ns0:ground-observatory . ns0:tarui-observatory a ns0:ground-observatory . ns0:tarzana-observatory-united-states a ns0:ground-observatory . ns0:tashkent-observatory-uzbekistan a ns0:ground-observatory . ns0:tataka-observatory-taiwan a ns0:ground-observatory . ns0:taunton-observatory-united-states a ns0:ground-observatory . ns0:taunus-observatory-germany a ns0:ground-observatory . ns0:taurus-1-observatory-belarus a ns0:ground-observatory . ns0:taurus-australis-observatory-brazil a ns0:ground-observatory . ns0:taurus-hill-observatory-finland a ns0:ground-observatory . ns0:tavolaia-observatory-italy a ns0:ground-observatory . ns0:taya-beixo-observatory-venezuela a ns0:ground-observatory . 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    a ns0:ground-observatory .

ns0:astronomical-observatory-of-capodimonte-italy
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-cordoba-argentina
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-farra-d-isonzo-italy
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-garraf-spain
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-ivan-franko-national-university-of-lviv-ukraine
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-kekin-s-gymnasium-russia
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-la-hita-spain
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-lisbon-portugal
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-mallorca-spain
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-padova-italy
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-palermo-italy
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-saratov-state-university-russia
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-st-petersburg-state-university
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-the-jagiellonian-university-poland
    a ns0:ground-observatory .

ns0:astronomical-observatory-of-trieste-italy
    a ns0:ground-observatory .

ns0:astronomical-observatory-university-of-siena
    a ns0:ground-observatory .

ns0:astronomical-research-observatory-at-charleston-united-states
    a ns0:ground-observatory .

ns0:astronomical-research-westfield-observatory-united-states
    a ns0:ground-observatory .

ns0:astronomical-society-of-tahiti-french-polynesia
    a ns0:ground-observatory .

ns0:astronomical-station-at-noesis-greece
    a ns0:ground-observatory .

ns0:astronomical-station-vidojevica-serbia
    a ns0:ground-observatory .

ns0:astronomihagen-observatory-norway
    a ns0:ground-observatory .

ns0:astronomsko-drustvo-nanos-at-ajdovscina-observatory-slovenia
    a ns0:ground-observatory .

ns0:astropark-at-tecnosky-astropark-italy
    a ns0:ground-observatory .

ns0:astrophoton-observatory-audorf-austria
    a ns0:ground-observatory .

ns0:astrophysical-multimessenger-observatory-network
    a ns0:ground-observatory .

ns0:astrophysical-observatory-of-the-college-of-staten-island
    a ns0:ground-observatory .

ns0:astropriorat-observatory-spain
    a ns0:ground-observatory .

ns0:astroshot-observatory-ireland
    a ns0:ground-observatory .

ns0:astroval-observatory-switzerland
    a ns0:ground-observatory .

ns0:atacama-bosque-yale-observatory-chile
    a ns0:ground-observatory .

ns0:atacama-desert-observatory-chile
    a ns0:ground-observatory .

ns0:athabasca-university-geophysical-observatory-canada
    a ns0:ground-observatory .

ns0:atlante-observatory-spain
    a ns0:ground-observatory .

ns0:atlas-chl-observatory-at-el-sauce-observatory-chile
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:augerolles-observatory-france
    a ns0:ground-observatory .

ns0:auth-astronomical-station-cyprus
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:auxiliary-camera-at-mauna-loa-observatory-united-states
    a ns0:ground-observatory .

ns0:ayabe-observatory-japan
    a ns0:ground-observatory .

ns0:bacau-observatory-romania
    a ns0:ground-observatory .

ns0:bad-wurzach-observatory-germany
    a ns0:ground-observatory .

ns0:badalona-boreal-observatory-spain
    a ns0:ground-observatory .

ns0:badalona-observatory-spain
    a ns0:ground-observatory .

ns0:badalozhnyj-observatory-russia
    a ns0:ground-observatory .

ns0:badlands-observatory-united-states
    a ns0:ground-observatory .

ns0:bagdad-observatory-united-states
    a ns0:ground-observatory .

ns0:bagnall-beach-observatory-australia
    a ns0:ground-observatory .

ns0:baihuashan-observatory-china
    a ns0:ground-observatory .

ns0:baja-astronomical-observatory-hungary
    a ns0:ground-observatory .

ns0:bakersfield-observatory-united-states
    a ns0:ground-observatory .

ns0:balbriggan-observatory-ireland
    a ns0:ground-observatory .

ns0:baldones-observatory-latvia
    a ns0:ground-observatory .

ns0:balzaretto-observatory-italy
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:banyoles-observatory-spain
    a ns0:ground-observatory .

ns0:bar-j-observatory-united-states
    a ns0:ground-observatory .

ns0:barao-geraldo-observatory-brazil
    a ns0:ground-observatory .

ns0:bareket-observatory-israel
    a ns0:ground-observatory .

ns0:barfold-observatory-australia
    a ns0:ground-observatory .

ns0:barlad-observatory-romania
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:barton-observatory-australia
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:beaconsfield-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:beato-ermanno-observatory-italy
    a ns0:ground-observatory .

ns0:beersel-hills-observatory-belgium
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:beijing-observatory-shahe-station-china
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:centennial-observatory
    a ns0:ground-observatory .

ns0:center-for-backyard-astrophysics-concord-observatory-united-states
    a ns0:ground-observatory .

ns0:center-of-research-in-astronomy-astrophysics-and-geophysics-at-algiers-observatory-algeria
    a ns0:ground-observatory .

ns0:centre-de-recherches-en-geodynamique-et-astrometrie-at-cote-d-azur-observatory-france
    a ns0:ground-observatory .

ns0:centro-astron-nevoeiro-observatory-brazil
    a ns0:ground-observatory .

ns0:cereseto-observatory-italy
    a ns0:ground-observatory .

ns0:cerrina-tololo-observatory-italy
    a ns0:ground-observatory .

ns0:cerro-del-viento-observatory-spain
    a ns0:ground-observatory .

ns0:cerro-el-roble-observatory-chile
    a ns0:ground-observatory .

ns0:cerro-tololo-inter-american-observatory-chile
    a ns0:ground-observatory .

ns0:cerro-tololo-observatory-chile
    a ns0:ground-observatory .

ns0:cesaraugusto-observatory-spain
    a ns0:ground-observatory .

ns0:cesena-observatory-italy
    a ns0:ground-observatory .

ns0:cesson-observatory-france
    a ns0:ground-observatory .

ns0:cewanee-observatory-at-animas-river-united-states
    a ns0:ground-observatory .

ns0:chabot-space-and-science-center-united-states
    a ns0:ground-observatory .

ns0:chajnantor-observatory-chile
    a ns0:ground-observatory .

ns0:chalandray-canotiers-observatory-france
    a ns0:ground-observatory .

ns0:chamberlin-observatory-united-states
    a ns0:ground-observatory .

ns0:chante-perdrix-observatory-france
    a ns0:ground-observatory .

ns0:chapel-hill-observatory-united-states
    a ns0:ground-observatory .

ns0:cheam-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:checheng-elementary-school-observatory
    a ns0:ground-observatory .

ns0:chelford-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:chelles-observatory-france
    a ns0:ground-observatory .

ns0:chelmsford-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:cherkizovo-observatory
    a ns0:ground-observatory .

ns0:cherokeeridge-observatory-united-states
    a ns0:ground-observatory .

ns0:cherryvalley-observatory-ireland
    a ns0:ground-observatory .

ns0:chervishevo-observatory-russia
    a ns0:ground-observatory .

ns0:chicharronian-3c-observatory-spain
    a ns0:ground-observatory .

ns0:chichibu-observatory-japan
    a ns0:ground-observatory .

ns0:chile-observatory
    a ns0:ground-observatory .

ns0:chilescope-observatory-chile
    a ns0:ground-observatory .

ns0:chinese-culture-university-observatory
    a ns0:ground-observatory .

ns0:chinese-very-long-baseline-interferometry-network-china
    a ns0:ground-observatory .

ns0:chinle-observatory-united-states
    a ns0:ground-observatory .

ns0:chinon-observatory-france
    a ns0:ground-observatory .

ns0:chions-observatory-italy
    a ns0:ground-observatory .

ns0:chiricahua-skies-observatory-united-states
    a ns0:ground-observatory .

ns0:chiro-observatory-australia
    a ns0:ground-observatory .

ns0:chirorin-observatory-japan
    a ns0:ground-observatory .

ns0:chiusa-di-pesio-observatory-italy
    a ns0:ground-observatory .

ns0:choakanan-observatory-thailand
    a ns0:ground-observatory .

ns0:chon-observatory-at-stekene-belgium
    a ns0:ground-observatory .

ns0:chorzow-observatory-poland
    a ns0:ground-observatory .

ns0:christiania-observatory-norway
    a ns0:ground-observatory .

ns0:chuguevskaya-station-observatory-ukraine
    a ns0:ground-observatory .

ns0:chula-observatory
    a ns0:ground-observatory .

ns0:church-stretton-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:cielo-profundo-observatory-spain
    a ns0:ground-observatory .

ns0:cielos-de-banfield-observatory-argentina
    a ns0:ground-observatory .

ns0:cima-ekar-observing-station-italy
    a ns0:ground-observatory .

ns0:cincinnati-observatory
    a ns0:ground-observatory .

ns0:city-observatory-calton-hill
    a ns0:ground-observatory .

ns0:civico-osservatorio-astronomico-di-rozzano-italy
    a ns0:ground-observatory .

ns0:clavier-observatory-spain
    a ns0:ground-observatory .

ns0:clay-center-observatory
    a ns0:ground-observatory .

ns0:clay-telescope-observatory
    a ns0:ground-observatory .

ns0:clayhole-observatory-finland
    a ns0:ground-observatory .

ns0:climenhaga-observatory-canada
    a ns0:ground-observatory .

ns0:clinton-b-ford-observatory-united-states
    a ns0:ground-observatory .

ns0:clinton-observatory-united-states
    a ns0:ground-observatory .

ns0:clixby-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:cloudcroft-observatory
    a ns0:ground-observatory .

ns0:cloudcroft-observatory-united-states
    a ns0:ground-observatory .

ns0:cmf-astronomical-observatory-brazil
    a ns0:ground-observatory .

ns0:cobram-observatory-australia
    a ns0:ground-observatory .

ns0:cockfield-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:coddenham-astronomical-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:cointe-observatory-belgium
    a ns0:ground-observatory .

ns0:colchester-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:colegio-cristo-rey-observatory-argentina
    a ns0:ground-observatory .

ns0:colegiul-national-vasile-lucaciu-observatory-romania
    a ns0:ground-observatory .

ns0:colleverde-di-guidonia-observatory-italy
    a ns0:ground-observatory .

ns0:collonges-observatory-france
    a ns0:ground-observatory .

ns0:comeglians-observatory-italy
    a ns0:ground-observatory .

ns0:comet-hunter-observatory-2
    a ns0:ground-observatory .

ns0:command-module-observatory-at-tempe-united-states
    a ns0:ground-observatory .

ns0:como-observatory-italy
    a ns0:ground-observatory .

ns0:complejo-astronomico-el-leoncito-argentina
    a ns0:ground-observatory .

ns0:compustar-observatory-france
    a ns0:ground-observatory .

ns0:comu-ulupinar-observatory
    a ns0:ground-observatory .

ns0:conder-brow-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:conlin-hill-observatory-united-states
    a ns0:ground-observatory .

ns0:consell-observatory-spain
    a ns0:ground-observatory .

ns0:contern-observatory-luxembourg
    a ns0:ground-observatory .

ns0:conway-observatory-united-states
    a ns0:ground-observatory .

ns0:coonabarabran-observatory-australia
    a ns0:ground-observatory .

ns0:coralito-observatory-spain
    a ns0:ground-observatory .

ns0:corbera-observatory-spain
    a ns0:ground-observatory .

ns0:corcaroli-observatory-italy
    a ns0:ground-observatory .

ns0:cordell-lorenz-observatory-united-states
    a ns0:ground-observatory .

ns0:corgas-observatory-spain
    a ns0:ground-observatory .

ns0:cormons-observatory-italy
    a ns0:ground-observatory .

ns0:corner-observatory-germany
    a ns0:ground-observatory .

ns0:corpus-christi-observatory-united-states
    a ns0:ground-observatory .

ns0:cosmic-background-explorer
    a ns0:ground-observatory .

ns0:cosmos-observatory-marbella
    a ns0:ground-observatory .

ns0:cosmos-research-center-observatory
    a ns0:ground-observatory .

ns0:cosmosoz-observatory-france
    a ns0:ground-observatory .

ns0:costa-teguise-observatory-spain
    a ns0:ground-observatory .

ns0:cotos-de-monterrey-observatory-spain
    a ns0:ground-observatory .

ns0:cottage-observatory-united-states
    a ns0:ground-observatory .

ns0:cottonwood-observatory
    a ns0:ground-observatory .

ns0:courroux-observatory-switzerland
    a ns0:ground-observatory .

ns0:couvaloup-de-st-cergue-observatory-switzerland
    a ns0:ground-observatory .

ns0:coyote-watcher
    a ns0:ground-observatory .

ns0:cracow-fort-skala-observatory-poland
    a ns0:ground-observatory .

ns0:craigie-observatory-australia
    a ns0:ground-observatory .

ns0:crawfordville-observatory-united-states
    a ns0:ground-observatory .

ns0:crescent-moon-observatory-united-states
    a ns0:ground-observatory .

ns0:crespadoro-observatory-italy
    a ns0:ground-observatory .

ns0:crimean-astrophysical-observatory-ukraine
    a ns0:ground-observatory .

ns0:crni-vrh-observatory-slovenia
    a ns0:ground-observatory .

ns0:crolles-observatory-france
    a ns0:ground-observatory .

ns0:crow-observatory
    a ns0:ground-observatory .

ns0:cruz-del-sur-observatory-argentina
    a ns0:ground-observatory .

ns0:crystal-lake-observatory-new-zealand
    a ns0:ground-observatory .

ns0:cs3-danhenge-observatory-united-states
    a ns0:ground-observatory .

ns0:cs3-trojan-station-at-landers-observatory-united-states
    a ns0:ground-observatory .

ns0:curdridge-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:custer-institute-and-observatory
    a ns0:ground-observatory .

ns0:cuteip-remote-observatory-taiwan
    a ns0:ground-observatory .

ns0:cwu-lind-observatory
    a ns0:ground-observatory .

ns0:cyclops-observatory-netherlands
    a ns0:ground-observatory .

ns0:cygnus-observatory-at-new-alresford-united-kingdom
    a ns0:ground-observatory .

ns0:dainik-astronomical-observatory-japan
    a ns0:ground-observatory .

ns0:danastro-observatory-belgium
    a ns0:ground-observatory .

ns0:daocheng-glacier-observatory
    a ns0:ground-observatory .

ns0:daocheng-observatory-china
    a ns0:ground-observatory .

ns0:dark-rosanne-observatory-united-states
    a ns0:ground-observatory .

ns0:dark-sky-observatory
    a ns0:ground-observatory .

ns0:darmstadt-observatory-germany
    a ns0:ground-observatory .

ns0:dauban-observatory-france
    a ns0:ground-observatory .

ns0:daventry-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:david-dunlap-observatory-canada
    a ns0:ground-observatory .

ns0:davidschlag-observatory-austria
    a ns0:ground-observatory .

ns0:dax-observatory-france
    a ns0:ground-observatory .

ns0:dearborn-observatory
    a ns0:ground-observatory .

ns0:deep-random-survey-at-rio-hurtado-observatory-chile
    a ns0:ground-observatory .

ns0:deep-sky-observatory-collaborative-at-pier-5-united-states
    a ns0:ground-observatory .

ns0:deep-sky-observatory-germany
    a ns0:ground-observatory .

ns0:deep-sky-west-observatory-united-states
    a ns0:ground-observatory .

ns0:deerlick-observatory-united-states
    a ns0:ground-observatory .

ns0:dekalb-observatory
    a ns0:ground-observatory .

ns0:deokheung-optical-astronomy-observatory-south-korea
    a ns0:ground-observatory .

ns0:dertingen-observatory-germany
    a ns0:ground-observatory .

ns0:desert-beaver-observatory-united-states
    a ns0:ground-observatory .

ns0:desert-eagle-observatory-united-states
    a ns0:ground-observatory .

ns0:desert-moon-observatory
    a ns0:ground-observatory .

ns0:desert-wanderer-observatory-united-states
    a ns0:ground-observatory .

ns0:dess-deimos-sky-survey-observatory
    a ns0:ground-observatory .

ns0:detmold-observatory-germany
    a ns0:ground-observatory .

ns0:dettelbach-vineyard-observatory-germany
    a ns0:ground-observatory .

ns0:dettenhausen-observatory-germany
    a ns0:ground-observatory .

ns0:digital-stargate-observatory-italy
    a ns0:ground-observatory .

ns0:digitized-sky-survey-at-european-southern-observatory-la-silla-dss-chile
    a ns0:ground-observatory .

ns0:digitized-sky-survey-at-palomar-observatory-united-states
    a ns0:ground-observatory .

ns0:digitized-sky-survey-at-siding-spring-observatory-australia
    a ns0:ground-observatory .

ns0:dilbert-observatory-united-states
    a ns0:ground-observatory .

ns0:dimension-point
    a ns0:ground-observatory .

ns0:dingle-observatory
    a ns0:ground-observatory .

ns0:discovery-observatory-brazil
    a ns0:ground-observatory .

ns0:divine-creation-observatory-united-states
    a ns0:ground-observatory .

ns0:doc-greiner-research-observatory-united-states
    a ns0:ground-observatory .

ns0:dogsheaven-observatory-brazil
    a ns0:ground-observatory .

ns0:dolomites-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:dominion-observatory-ottawa-canada
    a ns0:ground-observatory .

ns0:don-astronomical-observatory-russia
    a ns0:ground-observatory .

ns0:doyan-rose-observatory-united-states
    a ns0:ground-observatory .

ns0:drake-university-observatory-united-states
    a ns0:ground-observatory .

ns0:dreamsky-observatory-ukraine
    a ns0:ground-observatory .

ns0:drebach-south-observatory-namibia
    a ns0:ground-observatory .

ns0:dridri-observatory-italy
    a ns0:ground-observatory .

ns0:driesen-observatory-poland
    a ns0:ground-observatory .

ns0:drum-hill-station-observatory-united-states
    a ns0:ground-observatory .

ns0:dudley-observatory
    a ns0:ground-observatory .

ns0:dudley-observatory-united-states
    a ns0:ground-observatory .

ns0:dun-echt-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:dunboyne-castle-observatory-ireland
    a ns0:ground-observatory .

ns0:dunsink-observatory-ireland
    a ns0:ground-observatory .

ns0:duo-ursi-de-saltu-observatory-united-states
    a ns0:ground-observatory .

ns0:durham-university-observatory
    a ns0:ground-observatory .

ns0:durtal-observatory-france
    a ns0:ground-observatory .

ns0:dushanbe-observatory
    a ns0:ground-observatory .

ns0:dusseldorf-bilk-observatory
    a ns0:ground-observatory .

ns0:earl-hill-observatory-australia
    a ns0:ground-observatory .

ns0:earls-barton-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:east-asia-very-long-baseline-interferometry-network
    a ns0:ground-observatory .

ns0:east-rome-observatory-italy
    a ns0:ground-observatory .

ns0:eastern-illinois-university-observatory-united-states
    a ns0:ground-observatory .

ns0:eastfield-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:eastwood-observatory
    a ns0:ground-observatory .

ns0:ebersheim-observatory-germany
    a ns0:ground-observatory .

ns0:eccco-observatory-argentina
    a ns0:ground-observatory .

ns0:eckdorf-observatory
    a ns0:ground-observatory .

ns0:eden-astronomical-observatory-pakistan
    a ns0:ground-observatory .

ns0:eden-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:edinburgh-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:edmund-kline-observatory-united-states
    a ns0:ground-observatory .

ns0:edwards-raven-observatory-united-states
    a ns0:ground-observatory .

ns0:ehrensberg-observatory-traunstein-germany
    a ns0:ground-observatory .

ns0:eileen-m-collins-observatory-united-states
    a ns0:ground-observatory .

ns0:einarin-observatory-finland
    a ns0:ground-observatory .

ns0:einstein-tower-observatory-germany
    a ns0:ground-observatory .

ns0:el-berrueco-observatory-spain
    a ns0:ground-observatory .

ns0:el-boalo-observatory-spain
    a ns0:ground-observatory .

ns0:el-catalejo-observatory-argentina
    a ns0:ground-observatory .

ns0:el-cielo-de-consell-observatory-spain
    a ns0:ground-observatory .

ns0:el-condor-observatory-argentina
    a ns0:ground-observatory .

ns0:el-far-observatory-spain
    a ns0:ground-observatory .

ns0:el-gato-gris-observatory-argentina
    a ns0:ground-observatory .

ns0:el-guijo-observatory-spain
    a ns0:ground-observatory .

ns0:el-leoncito-astronomical-complex-argentina
    a ns0:ground-observatory .

ns0:el-maestrat-observatory-spain
    a ns0:ground-observatory .

ns0:el-manzanillo-observatory-spain
    a ns0:ground-observatory .

ns0:el-sauce-observatory-chile
    a ns0:ground-observatory .

ns0:el-teatrillo-de-lyra-observatory-spain
    a ns0:ground-observatory .

ns0:el-vendrell-observatory-spain
    a ns0:ground-observatory .

ns0:elche-observatory-spain
    a ns0:ground-observatory .

ns0:eldagsen-observatory-germany
    a ns0:ground-observatory .

ns0:elena-remote-observatory-chile
    a ns0:ground-observatory .

ns0:elephant-head-observatory-united-states
    a ns0:ground-observatory .

ns0:elgin-observatory
    a ns0:ground-observatory .

ns0:elianto-observatory-italy
    a ns0:ground-observatory .

ns0:elijah-observatory-italy
    a ns0:ground-observatory .

ns0:ellensburg-observatory
    a ns0:ground-observatory .

ns0:ellinogermaniki-agogi-observatory-greece
    a ns0:ground-observatory .

ns0:elsterland-observatory-germany
    a ns0:ground-observatory .

ns0:embry-riddle-observatory-united-states
    a ns0:ground-observatory .

ns0:emerald-lane-observatory-united-states
    a ns0:ground-observatory .

ns0:emirates-observatory-united-arab-emirates
    a ns0:ground-observatory .

ns0:emmy-observatory-united-states
    a ns0:ground-observatory .

ns0:engelhardsberg-observatory-germany
    a ns0:ground-observatory .

ns0:engelhardt-observatory-germany
    a ns0:ground-observatory .

ns0:engelhardt-observatory-russia
    a ns0:ground-observatory .

ns0:eremo-di-tizzano-observatory-italy
    a ns0:ground-observatory .

ns0:erfurt-observatory-germany
    a ns0:ground-observatory .

ns0:eridanus-observatory-germany
    a ns0:ground-observatory .

ns0:esa-cebreros-tbt-observatory-spain
    a ns0:ground-observatory .

ns0:escaldarium-observatory-spain
    a ns0:ground-observatory .

ns0:eschenberg-observatory-switzerland
    a ns0:ground-observatory .

ns0:essen-observatory-germany
    a ns0:ground-observatory .

ns0:estels-observatory-spain
    a ns0:ground-observatory .

ns0:estrella-de-mar-observatory-spain
    a ns0:ground-observatory .

ns0:etscorn-observatory-united-states
    a ns0:ground-observatory .

ns0:etters-observatory-united-states
    a ns0:ground-observatory .

ns0:etyek-observatory-hungary
    a ns0:ground-observatory .

ns0:eurac-observatory-italy
    a ns0:ground-observatory .

ns0:european-southern-observatory
    a ns0:ground-observatory .

ns0:european-very-long-baseline-interferometry-network
    a ns0:ground-observatory .

ns0:evangelisches-gymnasium-observatory-germany
    a ns0:ground-observatory .

ns0:evelyn-l-egan-observatory-united-states
    a ns0:ground-observatory .

ns0:everstar-observatory-united-states
    a ns0:ground-observatory .

ns0:ex-nihilo-observatory-united-states
    a ns0:ground-observatory .

ns0:experimenta-observatory-germany
    a ns0:ground-observatory .

ns0:eygalayes-observatory-france
    a ns0:ground-observatory .

ns0:f-schiller-gymnasium-observatory-germany
    a ns0:ground-observatory .

ns0:fabra-observatory-at-montsec-astronomical-observatory-spain
    a ns0:ground-observatory .

ns0:fair-oaks-ranch-observatory-united-states
    a ns0:ground-observatory .

ns0:falkensee-observatory-germany
    a ns0:ground-observatory .

ns0:fan-mountain-observatory-united-states
    a ns0:ground-observatory .

ns0:farm-cove-observatory
    a ns0:ground-observatory .

ns0:farpoint-observatory-united-states
    a ns0:ground-observatory .

ns0:fayetteville-observatory-united-states
    a ns0:ground-observatory .

ns0:felix-aguilar-observatory-argentina
    a ns0:ground-observatory .

ns0:felliscopio-observatory-italy
    a ns0:ground-observatory .

ns0:felsina-aab-observatory-italy
    a ns0:ground-observatory .

ns0:fenwick-observatory-united-states
    a ns0:ground-observatory .

ns0:ferez-observatory-spain
    a ns0:ground-observatory .

ns0:fiamene-observatory-italy
    a ns0:ground-observatory .

ns0:fiby-observatory-sweden
    a ns0:ground-observatory .

ns0:filzi-school-observatory-italy
    a ns0:ground-observatory .

ns0:finlaystone-observatory
    a ns0:ground-observatory .

ns0:fiore-observatory-italy
    a ns0:ground-observatory .

ns0:fire-in-the-sky-observatory
    a ns0:ground-observatory .

ns0:first-moscow-gymnasium-observatory-russia
    a ns0:ground-observatory .

ns0:fitz-randolph-observatory
    a ns0:ground-observatory .

ns0:flagstaff-observatory-united-states
    a ns0:ground-observatory .

ns0:flarestar-observatory-malta
    a ns0:ground-observatory .

ns0:flint-observatory
    a ns0:ground-observatory .

ns0:florence-and-george-wise-observatory
    a ns0:ground-observatory .

ns0:flower-and-cook-observatory-united-states
    a ns0:ground-observatory .

ns0:foah-observatory
    a ns0:ground-observatory .

ns0:foggy-bottom-observatory
    a ns0:ground-observatory .

ns0:foligno-observatory-italy
    a ns0:ground-observatory .

ns0:forcarei-observatory-spain
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:fosseway-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:fountain-hills-observatory-united-states
    a ns0:ground-observatory .

ns0:four-winds-observatory-united-states
    a ns0:ground-observatory .

ns0:foxfire-village-observatory-united-states
    a ns0:ground-observatory .

ns0:francisquito-observatory-united-states
    a ns0:ground-observatory .

ns0:francois-xavier-bagnoud-observatory-switzerland
    a ns0:ground-observatory .

ns0:frankfurt-observatory-germany
    a ns0:ground-observatory .

ns0:frasnes-lez-anvaing-observatory-belgium
    a ns0:ground-observatory .

ns0:freconrupt-observatory-france
    a ns0:ground-observatory .

ns0:fred-lawrence-whipple-observatory
    a ns0:ground-observatory .

ns0:fregenal-de-la-sierra-observatory-spain
    a ns0:ground-observatory .

ns0:frignano-observatory-italy
    a ns0:ground-observatory .

ns0:frog-rock-observatory-australia
    a ns0:ground-observatory .

ns0:frosinone-observatory-italy
    a ns0:ground-observatory .

ns0:frosty-cold-observatory
    a ns0:ground-observatory .

ns0:fuensanta-de-martos-observatory-spain
    a ns0:ground-observatory .

ns0:fuente-de-los-matos-observatory-spain
    a ns0:ground-observatory .

ns0:fujieda-observatory-japan
    a ns0:ground-observatory .

ns0:fukuchiyama-and-kannabe-observatory-japan
    a ns0:ground-observatory .

ns0:furnace-brook-observatory-united-states
    a ns0:ground-observatory .

ns0:furukawa-observatory-japan
    a ns0:ground-observatory .

ns0:fushan-observatory-china
    a ns0:ground-observatory .

ns0:g-c-gloriosi-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:g-colombo-astronomical-observatory
    a ns0:ground-observatory .

ns0:g-pascoli-observatory-italy
    a ns0:ground-observatory .

ns0:gaertringen-observatory-germany
    a ns0:ground-observatory .

ns0:gahberg-observatory-austria
    a ns0:ground-observatory .

ns0:gaisberg-observatory
    a ns0:ground-observatory .

ns0:galati-observatory-romania
    a ns0:ground-observatory .

ns0:galaxy-blues-observatory-canada
    a ns0:ground-observatory .

ns0:galaxy-tibet-yangbajing-observatory-china
    a ns0:ground-observatory .

ns0:galhassin-robotic-telescope-observatory-italy
    a ns0:ground-observatory .

ns0:galileo-galilei-observatory-argentina
    a ns0:ground-observatory .

ns0:gallarate-observatory-italy
    a ns0:ground-observatory .

ns0:galleywood-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:gandia-observatory-spain
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:garden-observatory-of-siegfried-gebhard-germany
    a ns0:ground-observatory .

ns0:gartensternwarte-schafsweide-observatory-germany
    a ns0:ground-observatory .

ns0:gauteng-observatory-south-africa
    a ns0:ground-observatory .

ns0:gdansk-observatory-poland
    a ns0:ground-observatory .

ns0:gedney-house-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:geel-observatory-belgium
    a ns0:ground-observatory .

ns0:gehrden-observatory
    a ns0:ground-observatory .

ns0:geisei-observatory-japan
    a ns0:ground-observatory .

ns0:gekko-observatory-japan
    a ns0:ground-observatory .

ns0:gelenau-observatory-germany
    a ns0:ground-observatory .

ns0:gemeaux-observatory-canada
    a ns0:ground-observatory .

ns0:gemini-south-telescope-at-cerro-pachon-observatory-chile
    a ns0:ground-observatory .

ns0:geminiano-montanari-observatory-italy
    a ns0:ground-observatory .

ns0:geminis-austral-observatory-argentina
    a ns0:ground-observatory .

ns0:geminis-observatory-spain
    a ns0:ground-observatory .

ns0:geneva-observatory-switzerland
    a ns0:ground-observatory .

ns0:genoa-observatory-italy
    a ns0:ground-observatory .

ns0:genshtab-observatory-ukraine
    a ns0:ground-observatory .

ns0:george-bishop-s-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:george-observatory
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:georgian-national-astrophysical-observatory-georgia
    a ns0:ground-observatory .

ns0:gettysburg-college-observatory
    a ns0:ground-observatory .

ns0:gevelsberg-observatory-germany
    a ns0:ground-observatory .

ns0:geyserland-observatory-new-zealand
    a ns0:ground-observatory .

ns0:ghezz-observatory-switzerland
    a ns0:ground-observatory .

ns0:giaga-observatory-italy
    a ns0:ground-observatory .

ns0:gieres-observatory-france
    a ns0:ground-observatory .

ns0:gimhae-observatory-south-korea
    a ns0:ground-observatory .

ns0:ginga-x-ray-satellite-mission
    a ns0:ground-observatory .

ns0:ginop-khk-observatory-hungary
    a ns0:ground-observatory .

ns0:giordano-bruno-observatory-italy
    a ns0:ground-observatory .

ns0:giovanni-pascoli-observatory-italy
    a ns0:ground-observatory .

ns0:giovanni-virginio-schiaparelli-observatory-italy
    a ns0:ground-observatory .

ns0:girawali-observatory-india
    a ns0:ground-observatory .

ns0:gissar-observatory-tajikistan
    a ns0:ground-observatory .

ns0:giuseppe-piazzi-observatory-italy
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:glasgow-observatory-united-kingdom
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:glenlee-observatory-australia
    a ns0:ground-observatory .

ns0:global-astrometric-interferometer-for-astrophysics-part-of-european-space-agency-mission
    a ns0:ground-observatory .

ns0:global-oscillation-network-group-part-of-national-solar-observatory
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:gnevsdorf-observatory-germany
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:godalming-observatory-united-kingdom
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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ns0:golden-hill-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:goldstone-deep-space-communications-complex-united-states
    a ns0:ground-observatory .

ns0:goodricke-pigott-observatory-united-states
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:gorgonzola-observatory-italy
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:isarwinkel-observatory-germany
    a ns0:ground-observatory .

ns0:ishigakijima-astronomical-observatory-japan
    a ns0:ground-observatory .

ns0:ishiki-observatory-japan
    a ns0:ground-observatory .

ns0:isle-of-man-observatory
    a ns0:ground-observatory .

ns0:iso-heikkila-observatory-finland
    a ns0:ground-observatory .

ns0:ison-hureltogoot-observatory-mongolia
    a ns0:ground-observatory .

ns0:ison-nm-observatory-united-states
    a ns0:ground-observatory .

ns0:ison-sso-observatory-at-siding-spring-observatory-australia
    a ns0:ground-observatory .

ns0:ison-terskol-observatory-russia
    a ns0:ground-observatory .

ns0:ison-uzhhorod-observatory-ukraine
    a ns0:ground-observatory .

ns0:istanbul-university-observatory
    a ns0:ground-observatory .

ns0:itelescope-deep-sky-chile-at-rio-hurtado-chile
    a ns0:ground-observatory .

ns0:itelescope-observatory
    a ns0:ground-observatory .

ns0:itelescope-observatory-spain
    a ns0:ground-observatory .

ns0:itelescope-sro-observatory-united-states
    a ns0:ground-observatory .

ns0:iturrieta-observatory-spain
    a ns0:ground-observatory .

ns0:ivywood-observatory-edmond-united-states
    a ns0:ground-observatory .

ns0:iwaki-observatory-japan
    a ns0:ground-observatory .

ns0:jack-c-davis-observatory
    a ns0:ground-observatory .

ns0:jaen-observatory-spain
    a ns0:ground-observatory .

ns0:jaichalad-pailin-observatory-thailand
    a ns0:ground-observatory .

ns0:jakokoski-observatory-finland
    a ns0:ground-observatory .

ns0:james-c-veen-observatory-united-states
    a ns0:ground-observatory .

ns0:james-webb-telescope
    a ns0:ground-observatory .

ns0:japal-rangapur-observatory-india
    a ns0:ground-observatory .

ns0:japan-aerospace-exploration-agency-hinotori-solar-mission
    a ns0:ground-observatory .

ns0:jarnac-observatory
    a ns0:ground-observatory .

ns0:jbl-observatory-australia
    a ns0:ground-observatory .

ns0:jcpm-oi-station-observatory-japan
    a ns0:ground-observatory .

ns0:jcpm-tone-station-japan
    a ns0:ground-observatory .

ns0:jcpm-yakiimo-observatory-japan
    a ns0:ground-observatory .

ns0:jd-cassini-observatory-spain
    a ns0:ground-observatory .

ns0:jeddah-observatory-saudi-arabia
    a ns0:ground-observatory .

ns0:jena-observatory
    a ns0:ground-observatory .

ns0:jeonbuk-science-high-school-observatory
    a ns0:ground-observatory .

ns0:jiang-nan-tian-chi-observatory-china
    a ns0:ground-observatory .

ns0:jiangnantianchi-observatory-china
    a ns0:ground-observatory .

ns0:jilin-observatory-china
    a ns0:ground-observatory .

ns0:jimginny-observatory-united-states
    a ns0:ground-observatory .

ns0:joan-roget-observatory-spain
    a ns0:ground-observatory .

ns0:jodrell-bank-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:johannesburg-hartbeespoort-observatory-south-africa
    a ns0:ground-observatory .

ns0:johannesburg-observatory-south-africa
    a ns0:ground-observatory .

ns0:john-beckman-observatory-spain
    a ns0:ground-observatory .

ns0:john-j-mccarthy-observatory-united-states
    a ns0:ground-observatory .

ns0:john-w-evans-solar-facility-at-sacramento-peak-observatory
    a ns0:ground-observatory .

ns0:jonathan-b-postel-observatory-italy
    a ns0:ground-observatory .

ns0:jornada-observatory-united-states
    a ns0:ground-observatory .

ns0:josef-bresser-observatory
    a ns0:ground-observatory .

ns0:jpl-syntrack-robotic-telescope-3-at-flagstaff-observatory-united-states
    a ns0:ground-observatory .

ns0:jpl-syntrack-robotic-telescope-at-auberry-observatory-united-states
    a ns0:ground-observatory .

ns0:jpl-syntrack-robotic-telescope-at-sierra-remote-observatories-united-states
    a ns0:ground-observatory .

ns0:junk-bond-observatory-united-states
    a ns0:ground-observatory .

ns0:jura-observatory-switzerland
    a ns0:ground-observatory .

ns0:ka-dar-observatory-russia
    a ns0:ground-observatory .

ns0:kachina-observatory-united-states
    a ns0:ground-observatory .

ns0:kagiya-observatory-japan
    a ns0:ground-observatory .

ns0:kahoku-observatory-japan
    a ns0:ground-observatory .

ns0:kairos-observatory-russia
    a ns0:ground-observatory .

ns0:kalamazoo-observatory-united-states
    a ns0:ground-observatory .

ns0:kambah-observatory-australia
    a ns0:ground-observatory .

ns0:kamenskoe-plateau-observatory-kazakhstan
    a ns0:ground-observatory .

ns0:kamihoriguchi-observatory-japan
    a ns0:ground-observatory .

ns0:kamyk-telescope-poland
    a ns0:ground-observatory .

ns0:kanab-observatory-united-states
    a ns0:ground-observatory .

ns0:kangwon-national-university-observatory
    a ns0:ground-observatory .

ns0:kangwon-science-high-school-observatory-south-korea
    a ns0:ground-observatory .

ns0:kani-observatory-japan
    a ns0:ground-observatory .

ns0:kanzelhohe-observatory-for-solar-and-environmental-research
    a ns0:ground-observatory .

ns0:kappa-crucis-observatory-uruguay
    a ns0:ground-observatory .

ns0:karasuyama-observatory-japan
    a ns0:ground-observatory .

ns0:karl-schwarzschild-observatory-germany
    a ns0:ground-observatory .

ns0:karlovy-vary-observatory-czechia
    a ns0:ground-observatory .

ns0:karlsruhe-observatory-germany
    a ns0:ground-observatory .

ns0:karrenkneul-observatory-germany
    a ns0:ground-observatory .

ns0:katori-observatory-japan
    a ns0:ground-observatory .

ns0:katy-observatory-united-states
    a ns0:ground-observatory .

ns0:kawachi-observatory-japan
    a ns0:ground-observatory .

ns0:kawane-observatory-japan
    a ns0:ground-observatory .

ns0:kazan-observatory-russia
    a ns0:ground-observatory .

ns0:keck-observatory-at-pacific-lutheran-university-united-states
    a ns0:ground-observatory .

ns0:kelmis-observatory-belgium
    a ns0:ground-observatory .

ns0:kempshott-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:kenting-observatory-taiwan
    a ns0:ground-observatory .

ns0:kepler-space-telescope
    a ns0:ground-observatory .

ns0:kevola-observatory-finland
    a ns0:ground-observatory .

ns0:keyhole-observatory-at-san-giorgio-di-mantova-italy
    a ns0:ground-observatory .

ns0:kharkiv-astronomical-observatory-ukraine
    a ns0:ground-observatory .

ns0:kiel-observatory-germany
    a ns0:ground-observatory .

ns0:kielce-observatory-poland
    a ns0:ground-observatory .

ns0:killer-rocks-observatory-united-states
    a ns0:ground-observatory .

ns0:kimachi-station-observatory-japan
    a ns0:ground-observatory .

ns0:king-city-observatory-canada
    a ns0:ground-observatory .

ns0:kingsgrove-observatory-australia
    a ns0:ground-observatory .

ns0:kingsland-observatory-ireland
    a ns0:ground-observatory .

ns0:kingsnake-observatory-united-states
    a ns0:ground-observatory .

ns0:kinmen-educational-remote-observatory
    a ns0:ground-observatory .

ns0:kinver-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:kislovodsk-mountain-astronomical-station-russia
    a ns0:ground-observatory .

ns0:kiso-observatory-japan
    a ns0:ground-observatory .

ns0:kitab-observatory-uzbekistan
    a ns0:ground-observatory .

ns0:kitami-observatory-japan
    a ns0:ground-observatory .

ns0:kitt-peak-bok-observatory-united-states
    a ns0:ground-observatory .

ns0:kitt-peak-national-observatory-united-states
    a ns0:ground-observatory .

ns0:kiyosato-observatory-japan
    a ns0:ground-observatory .

ns0:kiyose-and-mizuho-observatory-japan
    a ns0:ground-observatory .

ns0:klet-observatory-czechia
    a ns0:ground-observatory .

ns0:knielingen-observatory-germany
    a ns0:ground-observatory .

ns0:knocknaboola-observatory-ireland
    a ns0:ground-observatory .

ns0:knue-astronomical-observatory-south-korea
    a ns0:ground-observatory .

ns0:kochi-observatory-japan
    a ns0:ground-observatory .

ns0:koeditz-observatory-germany
    a ns0:ground-observatory .

ns0:koenigsberg-observatory
    a ns0:ground-observatory .

ns0:kogota-observatory-japan
    a ns0:ground-observatory .

ns0:koksijde-observatory-belgium
    a ns0:ground-observatory .

ns0:koln-observatory-germany
    a ns0:ground-observatory .

ns0:kolobov-observatory
    a ns0:ground-observatory .

ns0:komakallio-observatory-finland
    a ns0:ground-observatory .

ns0:konan-observatory-japan
    a ns0:ground-observatory .

ns0:konigsleiten-observatory-austria
    a ns0:ground-observatory .

ns0:konkoly-observatory-hungary
    a ns0:ground-observatory .

ns0:korea-microlensing-telescope-network-at-cerro-tololo-inter-american-observatory-chile
    a ns0:ground-observatory .

ns0:korea-microlensing-telescope-network-at-sutherland-observatory-south-africa
    a ns0:ground-observatory .

ns0:korea-microlensing-telescope-network-on-siding-spring-observatory-australia
    a ns0:ground-observatory .

ns0:korean-vlbi-network-and-vlbi-exploration-of-radio-astrometry
    a ns0:ground-observatory .

ns0:koschny-observatory-netherlands
    a ns0:ground-observatory .

ns0:kottamia-observatory-egypt
    a ns0:ground-observatory .

ns0:kouba-observatory-algeria
    a ns0:ground-observatory .

ns0:kourovka-astronomical-observatory-russia
    a ns0:ground-observatory .

ns0:kramatorsk-observatory-ukraine
    a ns0:ground-observatory .

ns0:krasnodar-observatory-russia
    a ns0:ground-observatory .

ns0:krasnopresnenskaja-observatory-russia
    a ns0:ground-observatory .

ns0:kremsmunster-observatory-austria
    a ns0:ground-observatory .

ns0:kryoneri-observatory-greece
    a ns0:ground-observatory .

ns0:kryzhanivka-observatory-ukraine
    a ns0:ground-observatory .

ns0:ksa-sem-observatory-south-korea
    a ns0:ground-observatory .

ns0:kuban-state-university-astrophysical-observatory
    a ns0:ground-observatory .

ns0:kuma-kogen-astronomical-observatory-japan
    a ns0:ground-observatory .

ns0:kumamoto-observatory-japan
    a ns0:ground-observatory .

ns0:kurashiki-observatory-japan
    a ns0:ground-observatory .

ns0:kurihara-observatory-japan
    a ns0:ground-observatory .

ns0:kuriwa-observatory-australia
    a ns0:ground-observatory .

ns0:kurohone-observatory-japan
    a ns0:ground-observatory .

ns0:kushiro-observatory-japan
    a ns0:ground-observatory .

ns0:kvistaberg-observatory-sweden
    a ns0:ground-observatory .

ns0:kwasan-observatory-japan
    a ns0:ground-observatory .

ns0:kyiv-shevchenko-national-university-astronomical-observatory
    a ns0:ground-observatory .

ns0:kysucke-nove-mesto-observatory-slovakia
    a ns0:ground-observatory .

ns0:l-ametlla-de-mar-observatory-spain
    a ns0:ground-observatory .

ns0:l-ampolla-observatory-spain
    a ns0:ground-observatory .

ns0:la-avejerilla-observatory-spain
    a ns0:ground-observatory .

ns0:la-axarquia-observatory-spain
    a ns0:ground-observatory .

ns0:la-canada-observatory-spain
    a ns0:ground-observatory .

ns0:la-chaux-de-fonds-observatory-switzerland
    a ns0:ground-observatory .

ns0:la-corte-observatory-spain
    a ns0:ground-observatory .

ns0:la-couyere-observatory-france
    a ns0:ground-observatory .

ns0:la-fecha-observatory-spain
    a ns0:ground-observatory .

ns0:la-giustiniana-observatory-italy
    a ns0:ground-observatory .

ns0:la-macchina-del-tempo-observatory-italy
    a ns0:ground-observatory .

ns0:la-mata-observatory-spain
    a ns0:ground-observatory .

ns0:la-murta-observatory-spain
    a ns0:ground-observatory .

ns0:la-palma-new-england-optical-network-observatory-spain
    a ns0:ground-observatory .

ns0:la-palma-observatory-and-siding-spring-observatory
    a ns0:ground-observatory .

ns0:la-plata-astronomical-observatory-argentina
    a ns0:ground-observatory .

ns0:la-puebla-de-vallbona-observatory-spain
    a ns0:ground-observatory .

ns0:la-romaneta-observatory-spain
    a ns0:ground-observatory .

ns0:la-sagra-observatory-spain
    a ns0:ground-observatory .

ns0:la-seyne-sur-mer-observatory-france
    a ns0:ground-observatory .

ns0:la-silla-observatory-chile
    a ns0:ground-observatory .

ns0:la-vara-observatory-spain
    a ns0:ground-observatory .

ns0:lacaille-observatory-south-africa
    a ns0:ground-observatory .

ns0:lahti-observatory-finland
    a ns0:ground-observatory .

ns0:laietania-observatory-spain
    a ns0:ground-observatory .

ns0:lajoux-observatory-switzerland
    a ns0:ground-observatory .

ns0:lake-arrowhead-observatory-united-states
    a ns0:ground-observatory .

ns0:lake-clear-observatory-united-states
    a ns0:ground-observatory .

ns0:lake-forest-observatory-united-states
    a ns0:ground-observatory .

ns0:lake-of-the-woods-observatory-united-states
    a ns0:ground-observatory .

ns0:lake-saint-louis-observatory-united-states
    a ns0:ground-observatory .

ns0:lakeland-astronomical-observatory-united-states
    a ns0:ground-observatory .

ns0:lamalou-les-bains-observatory-france
    a ns0:ground-observatory .

ns0:lamp-observatory
    a ns0:ground-observatory .

ns0:lancaster-observatory
    a ns0:ground-observatory .

ns0:landehen-observatory-france
    a ns0:ground-observatory .

ns0:landers-observatory-united-states
    a ns0:ground-observatory .

ns0:las-campanas-observatory-chile
    a ns0:ground-observatory .

ns0:las-cumbres-observatory-global-telescope-network
    a ns0:ground-observatory .

ns0:las-negras-observatory-spain
    a ns0:ground-observatory .

ns0:las-vaguadas-observatory-spain
    a ns0:ground-observatory .

ns0:le-couvent-de-lentin-observatory-france
    a ns0:ground-observatory .

ns0:le-cres-observatory-france
    a ns0:ground-observatory .

ns0:le-creusot-observatory-france
    a ns0:ground-observatory .

ns0:leamington-spa-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:leander-mccormick-observatory-united-states
    a ns0:ground-observatory .

ns0:leavenworth-observatory-united-states
    a ns0:ground-observatory .

ns0:leeside-observatory-canada
    a ns0:ground-observatory .

ns0:leiden-observatory-netherlands
    a ns0:ground-observatory .

ns0:leipzig-observatory-germany
    a ns0:ground-observatory .

ns0:leitner-family-observatory-and-planetarium-at-yale-student-observatory-united-states
    a ns0:ground-observatory .

ns0:lelekovice-observatory-czechia
    a ns0:ground-observatory .

ns0:lenkerbeck-observatory-germany
    a ns0:ground-observatory .

ns0:lenomiya-observatory-united-states
    a ns0:ground-observatory .

ns0:leo-observatory-united-states
    a ns0:ground-observatory .

ns0:leopold-figl-observatorium-for-astrophysics-austria
    a ns0:ground-observatory .

ns0:les-barres-observatory-france
    a ns0:ground-observatory .

ns0:les-engarouines-observatory-france
    a ns0:ground-observatory .

ns0:les-pedritxes-observatory-spain
    a ns0:ground-observatory .

ns0:les-planes-de-son-observatory-spain
    a ns0:ground-observatory .

ns0:les-tardieux-observatory-france
    a ns0:ground-observatory .

ns0:lesedi-telescope-at-saao-observatory-south-africa
    a ns0:ground-observatory .

ns0:leura-observatory-australia
    a ns0:ground-observatory .

ns0:leuschner-observatory-united-states
    a ns0:ground-observatory .

ns0:levendaal-observatory-netherlands
    a ns0:ground-observatory .

ns0:leyland-observatory
    a ns0:ground-observatory .

ns0:libbiano-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:lick-observatory-united-states
    a ns0:ground-observatory .

ns0:lightbuckets-observatory-united-states
    a ns0:ground-observatory .

ns0:lijiang-station-observatory-china
    a ns0:ground-observatory .

ns0:lilienthal-observatory
    a ns0:ground-observatory .

ns0:lima-observatory
    a ns0:ground-observatory .

ns0:limburg-observatory-germany
    a ns0:ground-observatory .

ns0:lime-creek-observatory-united-states
    a ns0:ground-observatory .

ns0:linceo-observatory-spain
    a ns0:ground-observatory .

ns0:lincoln-near-earth-asteroid-research
    a ns0:ground-observatory .

ns0:lindby-observatory-sweden
    a ns0:ground-observatory .

ns0:linden-observatory-australia
    a ns0:ground-observatory .

ns0:lindenberg-observatory-germany
    a ns0:ground-observatory .

ns0:linhaceira-observatory-portugal
    a ns0:ground-observatory .

ns0:lishan-observatory-china
    a ns0:ground-observatory .

ns0:litchfield-observatory-united-states
    a ns0:ground-observatory .

ns0:little-moose-observatory-timber-lakes
    a ns0:ground-observatory .

ns0:live-oak-observatory-united-states
    a ns0:ground-observatory .

ns0:livergnano-observatory-italy
    a ns0:ground-observatory .

ns0:liverpool-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:livorno-observatory-italy
    a ns0:ground-observatory .

ns0:ljubljana-observatory-slovenia
    a ns0:ground-observatory .

ns0:llano-de-chajnantor-observatory-chile
    a ns0:ground-observatory .

ns0:llano-del-hato-national-astronomical-observatory-venezuela
    a ns0:ground-observatory .

ns0:lledoner-observatory-spain
    a ns0:ground-observatory .

ns0:llica-d-amunt-observatory-spain
    a ns0:ground-observatory .

ns0:lo-fossil-observatory-spain
    a ns0:ground-observatory .

ns0:lohbach-observatory-germany
    a ns0:ground-observatory .

ns0:lohrmann-observatorium-germany
    a ns0:ground-observatory .

ns0:lohrmann-observatory-germany
    a ns0:ground-observatory .

ns0:loiano-observatory-italy
    a ns0:ground-observatory .

ns0:lomazzo-observatory-italy
    a ns0:ground-observatory .

ns0:lomnicky-stit-observatory-slovakia
    a ns0:ground-observatory .

ns0:lone-star-observatory
    a ns0:ground-observatory .

ns0:longa-vista-observatory-brazil
    a ns0:ground-observatory .

ns0:loomberah-observatory-australia
    a ns0:ground-observatory .

ns0:loose-goose-observatory-canada
    a ns0:ground-observatory .

ns0:los-algarrobos-observatory-uruguay
    a ns0:ground-observatory .

ns0:los-altos-de-arguineguin-observatory-spain
    a ns0:ground-observatory .

ns0:los-cabezones-observatory-argentina
    a ns0:ground-observatory .

ns0:los-campitos-observatory-argentina
    a ns0:ground-observatory .

ns0:los-milanos-observatory-spain
    a ns0:ground-observatory .

ns0:los-molinos-observatory-uruguay
    a ns0:ground-observatory .

ns0:loudwater-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:lowell-observatory-near-earth-object-search-at-lowell-observatory-united-states
    a ns0:ground-observatory .

ns0:lowell-observatory-united-states
    a ns0:ground-observatory .

ns0:lpmr-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:lubeck-observatory-germany
    a ns0:ground-observatory .

ns0:lucca-observatory-italy
    a ns0:ground-observatory .

ns0:lucie-berger-observatory-france
    a ns0:ground-observatory .

ns0:luckystar-observatory-vazec-slovakia
    a ns0:ground-observatory .

ns0:lugueros-observatory-spain
    a ns0:ground-observatory .

ns0:lulin-observatory-taiwan
    a ns0:ground-observatory .

ns0:lulin-widefield-telescope-taiwan
    a ns0:ground-observatory .

ns0:lumezzane-observatory-italy
    a ns0:ground-observatory .

ns0:lumijoki-observatory-finland
    a ns0:ground-observatory .

ns0:lunar-cafe-observatory-united-states
    a ns0:ground-observatory .

ns0:lund-observatory-sweden
    a ns0:ground-observatory .

ns0:luscherz-observatory-switzerland
    a ns0:ground-observatory .

ns0:lviv-polytechnic-observatory-ukraine
    a ns0:ground-observatory .

ns0:lvye-observatory-china
    a ns0:ground-observatory .

ns0:lw-2-at-naoc-zhongwei-china
    a ns0:ground-observatory .

ns0:lw-3-at-xinglong-observatory-china
    a ns0:ground-observatory .

ns0:lyon-observatory-france
    a ns0:ground-observatory .

ns0:m57-observatory-italy
    a ns0:ground-observatory .

ns0:macclesfield-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:machida-observatory-japan
    a ns0:ground-observatory .

ns0:mackay-observatory-spain
    a ns0:ground-observatory .

ns0:macnairston-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:macquarie-island-magnetic-observatory-australia
    a ns0:ground-observatory .

ns0:madison-yrs-observatory-united-states
    a ns0:ground-observatory .

ns0:madonna-di-dossobuono-observatory-italy
    a ns0:ground-observatory .

ns0:madras-observatory-india
    a ns0:ground-observatory .

ns0:madrid-observatory-spain
    a ns0:ground-observatory .

ns0:magalofes-observatory-spain
    a ns0:ground-observatory .

ns0:magellan-baade-telescope-at-las-campanas-observatory-chile
    a ns0:ground-observatory .

ns0:magellan-observatory-australia
    a ns0:ground-observatory .

ns0:magroforte-observatory-italy
    a ns0:ground-observatory .

ns0:maiaky-observatory-ukraine
    a ns0:ground-observatory .

ns0:maidanak-astronomical-observatory
    a ns0:ground-observatory .

ns0:maidanak-observatory-uzbekistan
    a ns0:ground-observatory .

ns0:maidbronn-observatory-germany
    a ns0:ground-observatory .

ns0:maiden-lane-observatory-united-states
    a ns0:ground-observatory .

ns0:maidenhead-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:main-astronomical-observatory-of-the-national-academy-of-sciences-of-ukraine-ukraine
    a ns0:ground-observatory .

ns0:maisoncelles-observatory-france
    a ns0:ground-observatory .

ns0:maisons-laffitte-observatory-france
    a ns0:ground-observatory .

ns0:majadahonda-observatory-spain
    a ns0:ground-observatory .

ns0:makerstoun-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:makes-observatory-france
    a ns0:ground-observatory .

ns0:makroskooppi-at-fregenal-de-la-sierra-observatory-spain
    a ns0:ground-observatory .

ns0:malaga-observatory-spain
    a ns0:ground-observatory .

ns0:malibert-observatory-france
    a ns0:ground-observatory .

ns0:malina-river-observatory-italy
    a ns0:ground-observatory .

ns0:mamalluca-observatory-chile
    a ns0:ground-observatory .

ns0:manaus-observatory-brazil
    a ns0:ground-observatory .

ns0:mandi-observatory-italy
    a ns0:ground-observatory .

ns0:manises-observatory-spain
    a ns0:ground-observatory .

ns0:mannheim-observatory-germany
    a ns0:ground-observatory .

ns0:marana-observatory-italy
    a ns0:ground-observatory .

ns0:marburg-observatory-germany
    a ns0:ground-observatory .

ns0:mardella-observatory-australia
    a ns0:ground-observatory .

ns0:margherita-hack-observatory-italy
    a ns0:ground-observatory .

ns0:maria-mitchell-observatory
    a ns0:ground-observatory .

ns0:mariamir-at-saint-jeannet-observatory-france
    a ns0:ground-observatory .

ns0:marienburg-observatory-germany
    a ns0:ground-observatory .

ns0:marina-di-cerveteri-observatory-italy
    a ns0:ground-observatory .

ns0:marina-sky-observatory-spain
    a ns0:ground-observatory .

ns0:marine-observatory-germany
    a ns0:ground-observatory .

ns0:maritime-alps-observatory-italy
    a ns0:ground-observatory .

ns0:mark-evans-observatory-at-bloomington-united-states
    a ns0:ground-observatory .

ns0:mark-slade-remote-observatory-united-states
    a ns0:ground-observatory .

ns0:markree-observatory-ireland
    a ns0:ground-observatory .

ns0:marl-observatory-germany
    a ns0:ground-observatory .

ns0:marratxi-observatory-spain
    a ns0:ground-observatory .

ns0:marseille-observatory-france
    a ns0:ground-observatory .

ns0:marsfield-observatory-australia
    a ns0:ground-observatory .

ns0:martesana-observatory-italy
    a ns0:ground-observatory .

ns0:martigues-observatory-france
    a ns0:ground-observatory .

ns0:martin-observatory-united-states
    a ns0:ground-observatory .

ns0:martin-s-kraar-observatory-israel
    a ns0:ground-observatory .

ns0:martinsberg-observatory-austria
    a ns0:ground-observatory .

ns0:marxuquera-observatory-spain
    a ns0:ground-observatory .

ns0:maryland-space-grant-consortium-observatory-at-johns-hopkins-university-homewood-campus-united-states
    a ns0:ground-observatory .

ns0:masia-cal-maciarol-modul-8-observatory-spain
    a ns0:ground-observatory .

ns0:masia-cal-maciarol-observatory-spain
    a ns0:ground-observatory .

ns0:masquefa-observatory-spain
    a ns0:ground-observatory .

ns0:master-iac-observatory-spain
    a ns0:ground-observatory .

ns0:master-ii-observatory-at-kislovodsk-russia
    a ns0:ground-observatory .

ns0:master-oafa-observatory-argentina
    a ns0:ground-observatory .

ns0:master-oagh-observatory-at-cananea-mexico
    a ns0:ground-observatory .

ns0:master-saao-observatory-at-sutherland-observatory-south-africa
    a ns0:ground-observatory .

ns0:master-tavrida-observatory-ukraine
    a ns0:ground-observatory .

ns0:mataro-observatory-spain
    a ns0:ground-observatory .

ns0:matera-laser-ranging-observatory-italy
    a ns0:ground-observatory .

ns0:matosinhos-observatory-portugal
    a ns0:ground-observatory .

ns0:mauguio-observatory-france
    a ns0:ground-observatory .

ns0:maui-space-surveillance-complex-at-kihei-united-states
    a ns0:ground-observatory .

ns0:mauna-kea-observatories-united-states
    a ns0:ground-observatory .

ns0:mauna-loa-solar-observatory-united-states
    a ns0:ground-observatory .

ns0:mauren-valley-observatory
    a ns0:ground-observatory .

ns0:mauritius-radio-telescope-at-mauritius-observatory
    a ns0:ground-observatory .

ns0:maury-lewin-observatory-glendora
    a ns0:ground-observatory .

ns0:mazagon-huelva-observatory-spain
    a ns0:ground-observatory .

ns0:mazariegos-observatory-spain
    a ns0:ground-observatory .

ns0:mcd-observatory-canada
    a ns0:ground-observatory .

ns0:mcdonald-observatory-lco-elp-aqawan-a-1
    a ns0:ground-observatory .

ns0:mcdonald-observatory-united-states
    a ns0:ground-observatory .

ns0:mcmillin-observatory
    a ns0:ground-observatory .

ns0:medicina-radio-observatory-italy
    a ns0:ground-observatory .

ns0:medina-observatory-united-states
    a ns0:ground-observatory .

ns0:meerlicht-observatory-south-africa
    a ns0:ground-observatory .

ns0:melbourne-observatory-australia
    a ns0:ground-observatory .

ns0:melezhy-astrophoto-observatory-russia
    a ns0:ground-observatory .

ns0:mendel-observatory-united-states
    a ns0:ground-observatory .

ns0:merak-telescope-at-national-astronomical-observatories-of-china-china
    a ns0:ground-observatory .

ns0:mercedes-observatory-argentina
    a ns0:ground-observatory .

ns0:merignac-observatory-france
    a ns0:ground-observatory .

ns0:merlette-observatory-france
    a ns0:ground-observatory .

ns0:meschede-observatory-germany
    a ns0:ground-observatory .

ns0:meter-wave-synthesis-radio-telescope-at-beijing-astronomical-observatory-china
    a ns0:ground-observatory .

ns0:metsahovi-optical-telescope-observatory-finland
    a ns0:ground-observatory .

ns0:metsahovi-radio-observatory
    a ns0:ground-observatory .

ns0:metsala-observatory-finland
    a ns0:ground-observatory .

ns0:metzerlen-observatory-switzerland
    a ns0:ground-observatory .

ns0:meudon-observatory-france
    a ns0:ground-observatory .

ns0:meyer-womble-observatory-united-states
    a ns0:ground-observatory .

ns0:mezmay-comet-search-center-russian-federation
    a ns0:ground-observatory .

ns0:michael-adrian-observatory-trebur-germany
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:michigan-state-university-observatory
    a ns0:ground-observatory .

ns0:mickleover-observatory-united-kingdom
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:middlebury-college-observatory-united-states
    a ns0:ground-observatory .

ns0:middlesex-school-observatory-united-states
    a ns0:ground-observatory .

ns0:mill-creek-observatory-the-dalles-united-states
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:millwood-observatory-comfort-united-states
    a ns0:ground-observatory .

ns0:minami-oda-observatory-japan
    a ns0:ground-observatory .

ns0:mind-s-eye-observatory
    a ns0:ground-observatory .

ns0:minneapolis-observatory-united-states
    a ns0:ground-observatory .

ns0:minnetonka-observatory-united-states
    a ns0:ground-observatory .

ns0:minor-planet-center-test-code
    a ns0:ground-observatory .

ns0:miryang-arirang-astronomical-observatory-south-korea
    a ns0:ground-observatory .

ns0:mishima-observatory-japan
    a ns0:ground-observatory .

ns0:missouri-city-observatory-united-states
    a ns0:ground-observatory .

ns0:miwa-observatory-japan
    a ns0:ground-observatory .

ns0:miyaki-argenteus-observatory-japan
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:mobil-astronomical-robotics-genon-observatory-ukraine
    a ns0:ground-observatory .

ns0:modra-observatory-slovakia
    a ns0:ground-observatory .

ns0:moka-observatory-united-states
    a ns0:ground-observatory .

ns0:moletai-astronomical-observatory-lithuania
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:moriyama-observatory-japan
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:mount-abu-infrared-observatory-india
    a ns0:ground-observatory .

ns0:mount-belleview-observatory
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:mount-lemmon-infrared-observatory-united-states
    a ns0:ground-observatory .

ns0:mount-lemmon-optical-astronomy-observatory-united-states
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:mount-wilson-observatory
    a ns0:ground-observatory .

ns0:mount-wilson-observatory-united-states
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:nayoro-municipal-observatory-kitasubaru-japan
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:nedlands-observatory-perth-australia
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:new-bullpen-observatory-united-states
    a ns0:ground-observatory .

ns0:new-millennium-observatory-italy
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:newport-beach-observatory-united-states
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:ngari-observatory-china
    a ns0:ground-observatory .

ns0:nice-observatory-france
    a ns0:ground-observatory .

ns0:niceville-observatory-united-states
    a ns0:ground-observatory .

ns0:niederbexbach-observatory-germany
    a ns0:ground-observatory .

ns0:nihondaira-observatory-japan
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:nonndorf-observatory-austria
    a ns0:ground-observatory .

ns0:norba-caesarina-observatory-spain
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:north-mesa-observatory-united-states
    a ns0:ground-observatory .

ns0:north-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:north-ryde-observatory-australia
    a ns0:ground-observatory .

ns0:north-scituate-observatory-united-states
    a ns0:ground-observatory .

ns0:northbrook-meadow-observatory-united-states
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:northern-skygems-observatory-spain
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:northolt-branch-observatory-3-united-kingdom
    a ns0:ground-observatory .

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    a ns0:ground-observatory .

ns0:northview-observatory-united-states
    a ns0:ground-observatory .

ns0:northwest-indiana-robotic-telescope-and-lowell-observatory-united-states
    a ns0:ground-observatory .

ns0:northwood-ridge-observatory-united-states
    a ns0:ground-observatory .

ns0:nova-milanese-observatory-italy
    a ns0:ground-observatory .

ns0:novaastro-observatory-france
    a ns0:ground-observatory .

ns0:novaloop-observatory
    a ns0:ground-observatory .

ns0:novi-ligure-observatory-italy
    a ns0:ground-observatory .

ns0:novoselki-observatory-ukraine
    a ns0:ground-observatory .

ns0:nubbin-ridge-observatory-united-states
    a ns0:ground-observatory .

ns0:nuevos-horizontes-observatory-spain
    a ns0:ground-observatory .

ns0:nyenheim-observatory-netherlands
    a ns0:ground-observatory .

ns0:nyrola-observatory-finland
    a ns0:ground-observatory .

ns0:o-m-ni-a-observatory
    a ns0:ground-observatory .

ns0:oacl-observatory-italy
    a ns0:ground-observatory .

ns0:oaia-at-alcarras-observatory-spain
    a ns0:ground-observatory .

ns0:oak-bay-observatory-canada
    a ns0:ground-observatory .

ns0:oak-ridge-observatory-united-states
    a ns0:ground-observatory .

ns0:oakley-observatory
    a ns0:ground-observatory .

ns0:oakley-southern-sky-observatory-australia
    a ns0:ground-observatory .

ns0:oakridge-observatory-united-states
    a ns0:ground-observatory .

ns0:oakwood-observatory-united-states
    a ns0:ground-observatory .

ns0:oaxaca-observatory-mexico
    a ns0:ground-observatory .

ns0:oberfrauendorf-observatory-germany
    a ns0:ground-observatory .

ns0:oberwichtrach-observatory-switzerland
    a ns0:ground-observatory .

ns0:oberwiesenthal-observatory-germany
    a ns0:ground-observatory .

ns0:observastyrium-at-stainz-bei-straden-observatory-austria
    a ns0:ground-observatory .

ns0:observatoire-albireo-de-biot-france
    a ns0:ground-observatory .

ns0:observatoire-astronomique-de-strasbourg-france
    a ns0:ground-observatory .

ns0:observatoire-de-bedoin-france
    a ns0:ground-observatory .

ns0:observatoire-de-castres-france
    a ns0:ground-observatory .

ns0:observatoire-de-fontcaude-france
    a ns0:ground-observatory .

ns0:observatoire-de-haute-provence-france
    a ns0:ground-observatory .

ns0:observatoire-de-l-ardeche-france
    a ns0:ground-observatory .

ns0:observatoire-de-la-grande-vallee-france
    a ns0:ground-observatory .

ns0:observatoire-de-la-nine-at-canens-observatory-france
    a ns0:ground-observatory .

ns0:observatoire-de-saint-veran-france
    a ns0:ground-observatory .

ns0:observatoire-des-cote-de-meuse-france
    a ns0:ground-observatory .

ns0:observatoire-du-mont-megantic
    a ns0:ground-observatory .

ns0:observatoire-laurier-at-el-marques-observatory-mexico
    a ns0:ground-observatory .

ns0:observatoire-midi-pyrenees-france
    a ns0:ground-observatory .

ns0:observatoire-robert-a-naef-at-ependes-observatory-switzerland
    a ns0:ground-observatory .

ns0:observatoire-royal-de-belgique-belgium
    a ns0:ground-observatory .

ns0:observatori-aas-montsec-at-montsec-astronomical-observatory-spain
    a ns0:ground-observatory .

ns0:observatori-de-santa-maria-de-montmagastrell-spain
    a ns0:ground-observatory .

ns0:observatorio-astrofisico-de-javalambre-spain
    a ns0:ground-observatory .

ns0:observatorio-astrofisico-guillermo-haro
    a ns0:ground-observatory .

ns0:observatorio-astronomico-code-centro-de-observaciones-del-espacio-de-santa-fe
    a ns0:ground-observatory .

ns0:observatorio-astronomico-do-sertao-de-itaparica-brazil
    a ns0:ground-observatory .

ns0:observatorio-astronomico-giancarlo-beltrame-at-arcugnano-vicenza-italy
    a ns0:ground-observatory .

ns0:observatorio-astronomico-nacional-sierra-san-pedro-martir
    a ns0:ground-observatory .

ns0:observatorio-astronomico-uadec-mexico
    a ns0:ground-observatory .

ns0:observatorio-azahar-at-valoria-la-buena-observatory-spain
    a ns0:ground-observatory .

ns0:observatorio-de-l-ametlla-del-valles-spain
    a ns0:ground-observatory .

ns0:observatorio-de-remanzacco-italy
    a ns0:ground-observatory .

ns0:observatorio-de-vega-del-codorno-spain
    a ns0:ground-observatory .

ns0:observatorio-del-lucero-del-alba-spain
    a ns0:ground-observatory .

ns0:observatorio-el-miron-del-cielo-spain
    a ns0:ground-observatory .

ns0:observatorio-estelia-spain
    a ns0:ground-observatory .

ns0:observatorio-la-dehesilla-spain
    a ns0:ground-observatory .

ns0:observatorio-la-senda-spain
    a ns0:ground-observatory .

ns0:observatorio-municipal-de-campinas-jean-nicolini-brazil
    a ns0:ground-observatory .

ns0:observatorio-novacanet-at-observatorio-novacanet-spain
    a ns0:ground-observatory .

ns0:observatorio-oatu-at-tupi-paulista-brazil
    a ns0:ground-observatory .

ns0:observatorio-panameno-chile
    a ns0:ground-observatory .

ns0:observatorio-sirius-spain
    a ns0:ground-observatory .

ns0:observatorio-trz-spain
    a ns0:ground-observatory .

ns0:observatorio-valle-de-la-luna-at-san-pedro-de-atacama-observatory-chile
    a ns0:ground-observatory .

ns0:observatorio-zonalunar-spain
    a ns0:ground-observatory .

ns0:observatory-gromme-oudsbergen-belgium
    a ns0:ground-observatory .

ns0:observatory-moers-kapellen-germany
    a ns0:ground-observatory .

ns0:observatory-of-nurol-france
    a ns0:ground-observatory .

ns0:observatory-of-the-collegio-romano-italy
    a ns0:ground-observatory .

ns0:oca-anza-observatory-united-states
    a ns0:ground-observatory .

ns0:oca-dlr-asteroid-survey-at-observatoire-de-la-cote-d-azur-france
    a ns0:ground-observatory .

ns0:ochiai-observatory-japan
    a ns0:ground-observatory .

ns0:odesa-astronomical-observatory-ukraine
    a ns0:ground-observatory .

ns0:oishi-observatory-japan
    a ns0:ground-observatory .

ns0:oizumi-observatory-japan
    a ns0:ground-observatory .

ns0:ojai-observatory-united-states
    a ns0:ground-observatory .

ns0:ojima-observatory-japan
    a ns0:ground-observatory .

ns0:okayama-astrophysical-observatory-japan
    a ns0:ground-observatory .

ns0:okutama-observatory-japan
    a ns0:ground-observatory .

ns0:old-naval-observatory
    a ns0:ground-observatory .

ns0:old-observatory-of-geneva-switzerland
    a ns0:ground-observatory .

ns0:old-orchard-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:oldenburg-observatory-germany
    a ns0:ground-observatory .

ns0:ole-romer-observatory-denmark
    a ns0:ground-observatory .

ns0:olive-farm-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:olmen-observatory-belgium
    a ns0:ground-observatory .

ns0:omaha-observatory-united-states
    a ns0:ground-observatory .

ns0:omegalab-observatory-italy
    a ns0:ground-observatory .

ns0:omsk-yogik-observatory-russia
    a ns0:ground-observatory .

ns0:ondrejov-blueeye600-telescope-at-ondrejov-observatory-czechia
    a ns0:ground-observatory .

ns0:ondrejov-observatory-czechia
    a ns0:ground-observatory .

ns0:online-observatory-at-peschany-russian-federation
    a ns0:ground-observatory .

ns0:onnens-observatory-switzerland
    a ns0:ground-observatory .

ns0:onsala-space-observatory-sweden
    a ns0:ground-observatory .

ns0:ontinyent-observatory-spain
    a ns0:ground-observatory .

ns0:oosato-observatory-japan
    a ns0:ground-observatory .

ns0:ootake-observatory-japan
    a ns0:ground-observatory .

ns0:opera-observatory-france
    a ns0:ground-observatory .

ns0:opicina-observatory-italy
    a ns0:ground-observatory .

ns0:oppolzer-observatory-austria
    a ns0:ground-observatory .

ns0:optec-observatory-united-states
    a ns0:ground-observatory .

ns0:orbis-tertius-observatory-argentina
    a ns0:ground-observatory .

ns0:orbitjet-observatory-united-states
    a ns0:ground-observatory .

ns0:organ-mesa-observatory-united-states
    a ns0:ground-observatory .

ns0:oria-observatory-spain
    a ns0:ground-observatory .

ns0:orion-colesanti-observatory-brazil
    a ns0:ground-observatory .

ns0:orwell-park-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:osaki-observatory-japan
    a ns0:ground-observatory .

ns0:osenbach-observatory-france
    a ns0:ground-observatory .

ns0:osservatorio-aldebaran-at-rivalba-observatory-italy
    a ns0:ground-observatory .

ns0:osservatorio-antonio-grosso-italy
    a ns0:ground-observatory .

ns0:osservatorio-astronomico-at-piobbico-observatory-italy
    a ns0:ground-observatory .

ns0:osservatorio-astronomico-di-cima-rest-italy
    a ns0:ground-observatory .

ns0:osservatorio-astronomico-di-gnosca-switzerland
    a ns0:ground-observatory .

ns0:osservatorio-astronomico-orciatico-italy
    a ns0:ground-observatory .

ns0:osservatorio-explorer-at-pula-observatory-croatia
    a ns0:ground-observatory .

ns0:osservatorio-g-d-cassini-italy
    a ns0:ground-observatory .

ns0:osservatorio-galileo-padova
    a ns0:ground-observatory .

ns0:osservatorio-il-coreggiolo
    a ns0:ground-observatory .

ns0:osservatorio-scandicci-italy
    a ns0:ground-observatory .

ns0:osservatorio-sideris-oculus-at-san-pietro-in-gu-observatory-italy
    a ns0:ground-observatory .

ns0:ostervold-observatory-denmark
    a ns0:ground-observatory .

ns0:ostrorog-observatory-poland
    a ns0:ground-observatory .

ns0:ostrov-observatory-romania
    a ns0:ground-observatory .

ns0:ostrowik-observatory-poland
    a ns0:ground-observatory .

ns0:osuna-observatory-spain
    a ns0:ground-observatory .

ns0:ottawa-geomagnetic-observatory
    a ns0:ground-observatory .

ns0:ottmarsheim-observatory-france
    a ns0:ground-observatory .

ns0:ottoservatorio-tatui
    a ns0:ground-observatory .

ns0:oukaimeden-observatory-morocco
    a ns0:ground-observatory .

ns0:our-lady-of-perpetual-help-observatory-united-states
    a ns0:ground-observatory .

ns0:ourense-observatory-spain
    a ns0:ground-observatory .

ns0:overberg-observatory-south-africa
    a ns0:ground-observatory .

ns0:oviedo-observatory-spain
    a ns0:ground-observatory .

ns0:ovm-observatory
    a ns0:ground-observatory .

ns0:owens-valley-radio-observatory
    a ns0:ground-observatory .

ns0:owl-net-observatory-at-oukaimeden-morocco
    a ns0:ground-observatory .

ns0:owl-net-observatory-at-songino-mongolia
    a ns0:ground-observatory .

ns0:owl-net-observatory-israel
    a ns0:ground-observatory .

ns0:owl-net-observatory-south-korea
    a ns0:ground-observatory .

ns0:owls-and-ravens-observatory-germany
    a ns0:ground-observatory .

ns0:p-m-p-h-r-deep-sky-observatory-italy
    a ns0:ground-observatory .

ns0:p2-observatory-united-states
    a ns0:ground-observatory .

ns0:pacific-sky-observatory-united-states
    a ns0:ground-observatory .

ns0:pakchong-observatory-thailand
    a ns0:ground-observatory .

ns0:palazzo-bindi-sergardi-observatory-italy
    a ns0:ground-observatory .

ns0:palestrina-observatory-italy
    a ns0:ground-observatory .

ns0:pallerols-observatory-spain
    a ns0:ground-observatory .

ns0:palmer-divide-observatory-united-states
    a ns0:ground-observatory .

ns0:palmerston-north-observatory-new-zealand
    a ns0:ground-observatory .

ns0:palo-alto-observatory-united-states
    a ns0:ground-observatory .

ns0:palomar-observatory-united-states
    a ns0:ground-observatory .

ns0:palominas-observatory-united-states
    a ns0:ground-observatory .

ns0:panker-observatory-germany
    a ns0:ground-observatory .

ns0:paranal-observatory-chile
    a ns0:ground-observatory .

ns0:paris-observatory-france
    a ns0:ground-observatory .

ns0:parma-observatory-italy
    a ns0:ground-observatory .

ns0:partizanske-observatory-slovakia
    a ns0:ground-observatory .

ns0:pastis-observatory-france
    a ns0:ground-observatory .

ns0:paul-robinson-observatory-at-voorhees-state-park-united-states
    a ns0:ground-observatory .

ns0:paul-wild-observatory-australia
    a ns0:ground-observatory .

ns0:paus-observatory-spain
    a ns0:ground-observatory .

ns0:peach-mountain-observatory-united-states
    a ns0:ground-observatory .

ns0:pear-tree-observatory-united-states
    a ns0:ground-observatory .

ns0:pele-s-observatory-at-ager-spain
    a ns0:ground-observatory .

ns0:penamayor-observatory-spain
    a ns0:ground-observatory .

ns0:penn-heights-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:penwortham-observatory-australia
    a ns0:ground-observatory .

ns0:penzing-astrometric-observatory-austria
    a ns0:ground-observatory .

ns0:perkins-observatory
    a ns0:ground-observatory .

ns0:perpignan-observatory-france
    a ns0:ground-observatory .

ns0:perth-observatory-australia
    a ns0:ground-observatory .

ns0:peschiera-del-garda-observatory-italy
    a ns0:ground-observatory .

ns0:pescope-observatory-south-africa
    a ns0:ground-observatory .

ns0:petit-jean-mountain-observatory-united-states
    a ns0:ground-observatory .

ns0:petit-sant-feliu-observatory-spain
    a ns0:ground-observatory .

ns0:petrozavodsk-observatory-russian-federation
    a ns0:ground-observatory .

ns0:peverell-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:peyrole-observatory-france
    a ns0:ground-observatory .

ns0:phillips-academy-observatory-united-states
    a ns0:ground-observatory .

ns0:pianoro-observatory-italy
    a ns0:ground-observatory .

ns0:piazzano-observatory-italy
    a ns0:ground-observatory .

ns0:pic-du-midi-observatory-france
    a ns0:ground-observatory .

ns0:picard-observatory-austria
    a ns0:ground-observatory .

ns0:pico-dos-dias-observatory-brazil
    a ns0:ground-observatory .

ns0:piconcillo-observatory-spain
    a ns0:ground-observatory .

ns0:picoto-observatory-portugal
    a ns0:ground-observatory .

ns0:piera-observatory
    a ns0:ground-observatory .

ns0:piero-angela-observatory-italy
    a ns0:ground-observatory .

ns0:pierre-auger-observatory-argentina
    a ns0:ground-observatory .

ns0:pieta-observatory-malta
    a ns0:ground-observatory .

ns0:pin-oak-observatory
    a ns0:ground-observatory .

ns0:pineapple-observatory-united-states
    a ns0:ground-observatory .

ns0:pinsoro-observatory-spain
    a ns0:ground-observatory .

ns0:pinto-valley-observatory-united-states
    a ns0:ground-observatory .

ns0:piombino-observatory-italy
    a ns0:ground-observatory .

ns0:pises-observatory-france
    a ns0:ground-observatory .

ns0:pisgah-astronomical-research-institute-united-states
    a ns0:ground-observatory .

ns0:pistoia-mountains-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:piszkesteto-observatory-hungary
    a ns0:ground-observatory .

ns0:pla-d-arguines-observatory-spain
    a ns0:ground-observatory .

ns0:planetary-astronomical-observatory-of-anzi-italy
    a ns0:ground-observatory .

ns0:platanus-observatory-poland
    a ns0:ground-observatory .

ns0:plateau-astronomique-la-couronne-observatory-france
    a ns0:ground-observatory .

ns0:plateau-observatory-for-dome-a-at-kunlun-station-antarctica
    a ns0:ground-observatory .

ns0:pleasant-grove-observatory-united-states
    a ns0:ground-observatory .

ns0:pleasanton-observatory-united-states
    a ns0:ground-observatory .

ns0:pleiade-observatory
    a ns0:ground-observatory .

ns0:pleiades-observatory-canada
    a ns0:ground-observatory .

ns0:plessisville-observatory-canada
    a ns0:ground-observatory .

ns0:plomer-observatory-argentina
    a ns0:ground-observatory .

ns0:plonsk-observatory-poland
    a ns0:ground-observatory .

ns0:po-leung-kuk-observatory-china
    a ns0:ground-observatory .

ns0:polaris-observatory-hungary
    a ns0:ground-observatory .

ns0:polino-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:polonia-observatory-chile
    a ns0:ground-observatory .

ns0:polop-observatory-spain
    a ns0:ground-observatory .

ns0:polse-di-cougnes-observatory-italy
    a ns0:ground-observatory .

ns0:pommier-observatory-france
    a ns0:ground-observatory .

ns0:ponferrada-observatory-spain
    a ns0:ground-observatory .

ns0:ponte-uso-observatory-italy
    a ns0:ground-observatory .

ns0:popovich-observatory-ukraine
    a ns0:ground-observatory .

ns0:port-ste-marie-observatory-france
    a ns0:ground-observatory .

ns0:posadas-observatory-spain
    a ns0:ground-observatory .

ns0:possum-observatory-new-zealand
    a ns0:ground-observatory .

ns0:pousada-dos-anoes-observatory-brazil
    a ns0:ground-observatory .

ns0:povegliano-veronese-observatory-italy
    a ns0:ground-observatory .

ns0:poway-valley-observatory-united-states
    a ns0:ground-observatory .

ns0:powell-observatory
    a ns0:ground-observatory .

ns0:poznan-observatory
    a ns0:ground-observatory .

ns0:pozuelo-observatory-spain
    a ns0:ground-observatory .

ns0:prairie-grass-observatory
    a ns0:ground-observatory .

ns0:prato-observatory-italy
    a ns0:ground-observatory .

ns0:prescott-observatory-united-states
    a ns0:ground-observatory .

ns0:preston-hills-observatory-united-states
    a ns0:ground-observatory .

ns0:principia-astronomical-observatory
    a ns0:ground-observatory .

ns0:principia-observatory-spain
    a ns0:ground-observatory .

ns0:promiod-observatory-italy
    a ns0:ground-observatory .

ns0:prompt-observatory-australia
    a ns0:ground-observatory .

ns0:provencal-baronnies-observatory-france
    a ns0:ground-observatory .

ns0:proxima-centauri-observatory-at-valdin-spain
    a ns0:ground-observatory .

ns0:prude-ranch-observatory-united-states
    a ns0:ground-observatory .

ns0:ps-observatory-parjol-romania
    a ns0:ground-observatory .

ns0:public-observatory-mainz-germany
    a ns0:ground-observatory .

ns0:puchenstuben-observatory-austria
    a ns0:ground-observatory .

ns0:puckett-observatory
    a ns0:ground-observatory .

ns0:puckett-observatory-stone-mountain-united-states
    a ns0:ground-observatory .

ns0:pueyrredon-observatory-argentina
    a ns0:ground-observatory .

ns0:pujalt-observatory-spain
    a ns0:ground-observatory .

ns0:pula-observatory-croatia
    a ns0:ground-observatory .

ns0:pulkovo-observatory-russian-federation
    a ns0:ground-observatory .

ns0:puna-auia-observatory-french-polynesia
    a ns0:ground-observatory .

ns0:purgathofer-sternwarte-observatory-austria
    a ns0:ground-observatory .

ns0:purple-mountain-observatory-at-lenghu-china
    a ns0:ground-observatory .

ns0:purple-mountain-observatory-at-yaoan-station-china
    a ns0:ground-observatory .

ns0:purple-mountain-observatory-china
    a ns0:ground-observatory .

ns0:purple-mountain-observatory-jiama-erdeng-china
    a ns0:ground-observatory .

ns0:purple-mountain-observatory-xuyi-station-china
    a ns0:ground-observatory .

ns0:puschino-observatory-russia
    a ns0:ground-observatory .

ns0:putman-mountain-observatory-united-states
    a ns0:ground-observatory .

ns0:puzol-observatory-spain
    a ns0:ground-observatory .

ns0:pymoor-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:qingdao-observatory-china
    a ns0:ground-observatory .

ns0:qos-observatory-at-zalistsi-ukraine
    a ns0:ground-observatory .

ns0:quail-hollow-observatory-united-states
    a ns0:ground-observatory .

ns0:quainton-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:quincampoix-observatory-france
    a ns0:ground-observatory .

ns0:quinns-rock-observatory-australia
    a ns0:ground-observatory .

ns0:quito-astronomical-observatory-ecuador
    a ns0:ground-observatory .

ns0:quito-observatory-ecuador
    a ns0:ground-observatory .

ns0:quonochontaug-observatory-united-states
    a ns0:ground-observatory .

ns0:r-f-joyce-observatory-new-zealand
    a ns0:ground-observatory .

ns0:radcliffe-observatory
    a ns0:ground-observatory .

ns0:radebeul-observatory-germany
    a ns0:ground-observatory .

ns0:radio-65m-telescope-at-sheshan-observatory
    a ns0:ground-observatory .

ns0:radio-deep-space-network
    a ns0:ground-observatory .

ns0:ragdon-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:raheny-observatory-ireland
    a ns0:ground-observatory .

ns0:rainbow-observatory-australia
    a ns0:ground-observatory .

ns0:raleigh-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:ramonville-saint-agne-observatory-france
    a ns0:ground-observatory .

ns0:rancho-del-sol-observatory-united-states
    a ns0:ground-observatory .

ns0:rancho-palos-verdes-observatory-united-states
    a ns0:ground-observatory .

ns0:rand-ii-observatory-united-states
    a ns0:ground-observatory .

ns0:rand-observatory-united-states
    a ns0:ground-observatory .

ns0:rani-observatory
    a ns0:ground-observatory .

ns0:rantiga-observatory-italy
    a ns0:ground-observatory .

ns0:rapid-action-telescope-for-transient-objects-at-calern-observatory
    a ns0:ground-observatory .

ns0:rapid-city-observatory-united-states
    a ns0:ground-observatory .

ns0:ras-observatory-australia
    a ns0:ground-observatory .

ns0:ras-observatory-moorook-australia
    a ns0:ground-observatory .

ns0:ras-observatory-officer-australia
    a ns0:ground-observatory .

ns0:raso-observatory-germany
    a ns0:ground-observatory .

ns0:rattle-snake-observatory-united-states
    a ns0:ground-observatory .

ns0:ray-observatory-japan
    a ns0:ground-observatory .

ns0:rdss-observatory-russia
    a ns0:ground-observatory .

ns0:real-instituto-y-observatorio-de-la-armada
    a ns0:ground-observatory .

ns0:red-barn-observatory-united-states
    a ns0:ground-observatory .

ns0:red-fox-observatory
    a ns0:ground-observatory .

ns0:red-lion-observatory-united-states
    a ns0:ground-observatory .

ns0:red-mountain-observatory-united-states
    a ns0:ground-observatory .

ns0:redondo-beach-observatory-united-states
    a ns0:ground-observatory .

ns0:redshed-observatory-austria
    a ns0:ground-observatory .

ns0:redstone-arsenal-observatory-united-states
    a ns0:ground-observatory .

ns0:reedy-creek-observatory
    a ns0:ground-observatory .

ns0:reilhanette-observatory-france
    a ns0:ground-observatory .

ns0:reintal-observatory-germany
    a ns0:ground-observatory .

ns0:remeis-observatory
    a ns0:ground-observatory .

ns0:remote-astronomical-society-observatory-of-new-mexico-united-states
    a ns0:ground-observatory .

ns0:remote-observatory-at-hakos-astrofarm-namibia
    a ns0:ground-observatory .

ns0:requena-observatory-spain
    a ns0:ground-observatory .

ns0:resse-observatory-germany
    a ns0:ground-observatory .

ns0:retamar-observatory-spain
    a ns0:ground-observatory .

ns0:reynolds-observatory
    a ns0:ground-observatory .

ns0:rezman-observatory-slovenia
    a ns0:ground-observatory .

ns0:rho-ophiocus-observatory-spain
    a ns0:ground-observatory .

ns0:ricky-observatory-united-states
    a ns0:ground-observatory .

ns0:riethnordhausen-observatory-germany
    a ns0:ground-observatory .

ns0:rimbach-observatory-germany
    a ns0:ground-observatory .

ns0:rio-cofio-observatory-spain
    a ns0:ground-observatory .

ns0:rit-observatory
    a ns0:ground-observatory .

ns0:rivalta-observatory-italy
    a ns0:ground-observatory .

ns0:river-moss-observatory-united-states
    a ns0:ground-observatory .

ns0:river-oaks-observatory-united-states
    a ns0:ground-observatory .

ns0:river-ridge-observatory-united-states
    a ns0:ground-observatory .

ns0:riverside-observatory-united-states
    a ns0:ground-observatory .

ns0:rixeyville-observatory-united-states
    a ns0:ground-observatory .

ns0:rms-observatory-united-states
    a ns0:ground-observatory .

ns0:roasterr-1-observatory-romania
    a ns0:ground-observatory .

ns0:robert-mayer-sternwarte-at-heilbronn-observatory-germany
    a ns0:ground-observatory .

ns0:robotic-optical-transient-search-experiment-at-los-alamos-observatory-united-states
    a ns0:ground-observatory .

ns0:rocca-observatory-brazil
    a ns0:ground-observatory .

ns0:rochedale-observatory-australia
    a ns0:ground-observatory .

ns0:rock-finder-observatory-calgary-canada
    a ns0:ground-observatory .

ns0:rockland-observatory
    a ns0:ground-observatory .

ns0:rodeno-observatory-spain
    a ns0:ground-observatory .

ns0:roeser-observatory-luxembourg
    a ns0:ground-observatory .

ns0:rokycany-observatory-czechia
    a ns0:ground-observatory .

ns0:rolf-chini-cerro-murphy-observatory-chile
    a ns0:ground-observatory .

ns0:rolling-hills-observatory-united-states
    a ns0:ground-observatory .

ns0:rolvenden-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:romito-observatory-italy
    a ns0:ground-observatory .

ns0:ronda-observatory-spain
    a ns0:ground-observatory .

ns0:rondchamp-observatory-switzerland
    a ns0:ground-observatory .

ns0:ropng-kkn-observatory-thailand
    a ns0:ground-observatory .

ns0:roque-de-los-muchachos-observatory-and-south-african-astronomical-observatory
    a ns0:ground-observatory .

ns0:roque-de-los-muchachos-observatory-spain
    a ns0:ground-observatory .

ns0:rosa-observatory-france
    a ns0:ground-observatory .

ns0:rosamund-obervatory-dsc-rio-hurtado-chile
    a ns0:ground-observatory .

ns0:rosarno-observatory-italy
    a ns0:ground-observatory .

ns0:rose-cottage-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:rose-hulman-observatory
    a ns0:ground-observatory .

ns0:rosemary-hill-observatory-united-states
    a ns0:ground-observatory .

ns0:roser-observatory-spain
    a ns0:ground-observatory .

ns0:rothney-astrophysical-observatory-canada
    a ns0:ground-observatory .

ns0:rouet-observatory-france
    a ns0:ground-observatory .

ns0:royal-observatory-cape-of-good-hope-south-africa
    a ns0:ground-observatory .

ns0:royal-observatory-greenwich-united-kingdom
    a ns0:ground-observatory .

ns0:royal-observatory-of-madrid
    a ns0:ground-observatory .

ns0:royal-park-observatory-spain
    a ns0:ground-observatory .

ns0:rpf-observatory
    a ns0:ground-observatory .

ns0:runcorn-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:rushay-farm-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:rusty-mountain-observatory-united-states
    a ns0:ground-observatory .

ns0:rutherford-observatory
    a ns0:ground-observatory .

ns0:s-gravenwezel-observatory-belgium
    a ns0:ground-observatory .

ns0:saarbruecken-rastpfuhl-observatory-germany
    a ns0:ground-observatory .

ns0:sabadell-observatory-spain
    a ns0:ground-observatory .

ns0:sabino-canyon-observatory
    a ns0:ground-observatory .

ns0:sacramento-peak-observatory
    a ns0:ground-observatory .

ns0:sadr-observatory-chile
    a ns0:ground-observatory .

ns0:saguaro-observatory-united-states
    a ns0:ground-observatory .

ns0:saint-barthelemy-observatory-italy
    a ns0:ground-observatory .

ns0:saint-caprais-observatory-france
    a ns0:ground-observatory .

ns0:saint-domineuc-observatory-france
    a ns0:ground-observatory .

ns0:saint-felicien-observatory-canada
    a ns0:ground-observatory .

ns0:saint-michel-sur-meurthe-observatory-france
    a ns0:ground-observatory .

ns0:saint-pardon-de-conques-observatory-france
    a ns0:ground-observatory .

ns0:saint-saturnin-les-avignon-observatory-france
    a ns0:ground-observatory .

ns0:saint-sulpice-observatory-france
    a ns0:ground-observatory .

ns0:sainte-clotilde-observatory-france
    a ns0:ground-observatory .

ns0:sainte-helene-observatory-france
    a ns0:ground-observatory .

ns0:saji-observatory-japan
    a ns0:ground-observatory .

ns0:sakai-observatory-japan
    a ns0:ground-observatory .

ns0:sakamoto-observatory-japan
    a ns0:ground-observatory .

ns0:saku-observatory-japan
    a ns0:ground-observatory .

ns0:sakura-station-observatory-japan
    a ns0:ground-observatory .

ns0:salida-observatory
    a ns0:ground-observatory .

ns0:saltsjobaden-observatory-sweden
    a ns0:ground-observatory .

ns0:salvador-astronomical-observatory-argentina
    a ns0:ground-observatory .

ns0:salvatore-di-giacomo-observatory-italy
    a ns0:ground-observatory .

ns0:salvia-observatory-france
    a ns0:ground-observatory .

ns0:samford-valley-observatory-australia
    a ns0:ground-observatory .

ns0:san-benedetto-po-observatory-italy
    a ns0:ground-observatory .

ns0:san-clemente-observatory-united-states
    a ns0:ground-observatory .

ns0:san-costantino-observatory-italy
    a ns0:ground-observatory .

ns0:san-defendente-observatory-italy
    a ns0:ground-observatory .

ns0:san-emigdio-peak-observatory-united-states
    a ns0:ground-observatory .

ns0:san-gabriel-observatory-spain
    a ns0:ground-observatory .

ns0:san-lazzaro-di-savena-observatory-italy
    a ns0:ground-observatory .

ns0:san-marco-observatory-italy
    a ns0:ground-observatory .

ns0:san-pedro-de-atacama-observatory-chile
    a ns0:ground-observatory .

ns0:san-pedro-de-atacama-station-observatory-chile
    a ns0:ground-observatory .

ns0:san-polo-a-mosciano-observatory-italy
    a ns0:ground-observatory .

ns0:san-vito-a-montelupo-observatory-italy
    a ns0:ground-observatory .

ns0:san-vittore-observatory-italy
    a ns0:ground-observatory .

ns0:sanderphil-urban-observatory-italy
    a ns0:ground-observatory .

ns0:sandia-view-observatory-united-states
    a ns0:ground-observatory .

ns0:sandlot-observatory-united-states
    a ns0:ground-observatory .

ns0:sandvreten-observatory-sweden
    a ns0:ground-observatory .

ns0:sanglok-observatory-tajikistan
    a ns0:ground-observatory .

ns0:sant-celoni-observatory-spain
    a ns0:ground-observatory .

ns0:sant-gervasi-observatory-spain
    a ns0:ground-observatory .

ns0:sant-marti-sesgueioles-observatory-spain
    a ns0:ground-observatory .

ns0:sant-pere-observatory-spain
    a ns0:ground-observatory .

ns0:santa-coloma-de-gramenet-observatory-spain
    a ns0:ground-observatory .

ns0:santa-lucia-stroncone-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:santa-mama-observatory-italy
    a ns0:ground-observatory .

ns0:santa-pola-observatory-spain
    a ns0:ground-observatory .

ns0:santana-observatory-united-states
    a ns0:ground-observatory .

ns0:santel-observatory-argentina
    a ns0:ground-observatory .

ns0:santiago-san-bernardo-observatory-chile
    a ns0:ground-observatory .

ns0:sapporo-observatory-japan
    a ns0:ground-observatory .

ns0:sapporo-science-center
    a ns0:ground-observatory .

ns0:sarajevo-observatory-bosnia-and-herzegovina
    a ns0:ground-observatory .

ns0:sassari-observatory-italy
    a ns0:ground-observatory .

ns0:sassoeiros-observatory-portugal
    a ns0:ground-observatory .

ns0:satino-remote-observatory
    a ns0:ground-observatory .

ns0:sauro-donati-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:savelli-observatory-italy
    a ns0:ground-observatory .

ns0:savigny-le-temple-observatory-france
    a ns0:ground-observatory .

ns0:sayan-solar-observatory-russia
    a ns0:ground-observatory .

ns0:sayre-observatory
    a ns0:ground-observatory .

ns0:schaerding-observatory-austria
    a ns0:ground-observatory .

ns0:schafmatt-observatory-switzerland
    a ns0:ground-observatory .

ns0:schela-observatory-romania
    a ns0:ground-observatory .

ns0:scheuren-observatory-germany
    a ns0:ground-observatory .

ns0:schiaparelli-southern-observatory-namibia
    a ns0:ground-observatory .

ns0:schmelz-observatory-germany
    a ns0:ground-observatory .

ns0:schonfeld-observatory-germany
    a ns0:ground-observatory .

ns0:school-1502-rooftop-observatory-russian-federation
    a ns0:ground-observatory .

ns0:schuelerlabor-astronomie-st-7-observatory-germany
    a ns0:ground-observatory .

ns0:schwerin-observatory-germany
    a ns0:ground-observatory .

ns0:scott-observatory-united-states
    a ns0:ground-observatory .

ns0:scott-street-observatory-new-zealand
    a ns0:ground-observatory .

ns0:sedgefield-observatory-south-africa
    a ns0:ground-observatory .

ns0:seeberg-observatory-germany
    a ns0:ground-observatory .

ns0:segorbe-observatory-spain
    a ns0:ground-observatory .

ns0:sencelles-observatory-spain
    a ns0:ground-observatory .

ns0:sendai-astronomical-observatory-ayashi-station-japan
    a ns0:ground-observatory .

ns0:sendai-astronomical-observatory-japan
    a ns0:ground-observatory .

ns0:sendai-municipal-observatory-japan
    a ns0:ground-observatory .

ns0:sendling-observatory-germany
    a ns0:ground-observatory .

ns0:senftenberger-sternwarte-observatory-czechia
    a ns0:ground-observatory .

ns0:sengamine-observatory-japan
    a ns0:ground-observatory .

ns0:seron-observatory-spain
    a ns0:ground-observatory .

ns0:serra-la-nave-observatory-italy
    a ns0:ground-observatory .

ns0:serra-observatory-italy
    a ns0:ground-observatory .

ns0:seveso-observatory-italy
    a ns0:ground-observatory .

ns0:sfa-observatory
    a ns0:ground-observatory .

ns0:sgt-observatory-austria
    a ns0:ground-observatory .

ns0:shache-station-observatory-china
    a ns0:ground-observatory .

ns0:shamrock-banks-observatory-united-states
    a ns0:ground-observatory .

ns0:shandong-university-observatory
    a ns0:ground-observatory .

ns0:shanghai-astronomical-observatory-chile-station-at-el-sauce-observatory-chile
    a ns0:ground-observatory .

ns0:sharjah-observatory-united-arab-emirates
    a ns0:ground-observatory .

ns0:shasta-valley-observatory-united-states
    a ns0:ground-observatory .

ns0:shattuck-observatory
    a ns0:ground-observatory .

ns0:shed-of-science-south-observatory
    a ns0:ground-observatory .

ns0:sheltozero-station-observatory-russian-federation
    a ns0:ground-observatory .

ns0:shenton-park-observatory-australia
    a ns0:ground-observatory .

ns0:sherbrooke-observatory-canada
    a ns0:ground-observatory .

ns0:sheridan-observatory-united-states
    a ns0:ground-observatory .

ns0:sheshan-observatory-china
    a ns0:ground-observatory .

ns0:shimada-observatory-japan
    a ns0:ground-observatory .

ns0:shimotsuma-observatory-japan
    a ns0:ground-observatory .

ns0:shinshiro-observatory-japan
    a ns0:ground-observatory .

ns0:shishikui-observatory-japan
    a ns0:ground-observatory .

ns0:shizuoka-observatory-japan
    a ns0:ground-observatory .

ns0:siberian-state-aerospace-university-observatory
    a ns0:ground-observatory .

ns0:siding-spring-observatory-australia
    a ns0:ground-observatory .

ns0:siding-spring-observatory-itelescope-observatory-australia
    a ns0:ground-observatory .

ns0:sidoli-observatory-argentina
    a ns0:ground-observatory .

ns0:siegen-observatory
    a ns0:ground-observatory .

ns0:siek-observatory-germany
    a ns0:ground-observatory .

ns0:siena-observatory-spain
    a ns0:ground-observatory .

ns0:sierra-contraviesa-observatory-spain
    a ns0:ground-observatory .

ns0:sierra-nevada-observatory-spain
    a ns0:ground-observatory .

ns0:sierra-remote-observatories-auberry-united-states
    a ns0:ground-observatory .

ns0:sierra-sinagua-observatory-flagstaff
    a ns0:ground-observatory .

ns0:sierra-stars-observatory-united-states
    a ns0:ground-observatory .

ns0:silbergraben-observatory-germany
    a ns0:ground-observatory .

ns0:silver-city-observatory
    a ns0:ground-observatory .

ns0:silver-spring-observatory-united-states
    a ns0:ground-observatory .

ns0:simeiz-observatory-ukraine
    a ns0:ground-observatory .

ns0:sinsen-observatory-germany
    a ns0:ground-observatory .

ns0:sintini-observatory-italy
    a ns0:ground-observatory .

ns0:skalnate-pleso-observatory-slovakia
    a ns0:ground-observatory .

ns0:skibotn-astrophysical-observatory-norway
    a ns0:ground-observatory .

ns0:sky-vistas-observatory-austria
    a ns0:ground-observatory .

ns0:skybor-observatory-spain
    a ns0:ground-observatory .

ns0:skygems-chile-at-rio-hurtado-observatory-chile
    a ns0:ground-observatory .

ns0:skygems-dreamscope-at-beryl-junction-observatory-united-states
    a ns0:ground-observatory .

ns0:skygems-namibia-remote-observatory-namibia
    a ns0:ground-observatory .

ns0:skyledge-observatory-united-states
    a ns0:ground-observatory .

ns0:skylive-observatory-italy
    a ns0:ground-observatory .

ns0:slooh-com-canary-islands-observatory-spain
    a ns0:ground-observatory .

ns0:slope-rock-observatory-finland
    a ns0:ground-observatory .

ns0:small-astronomy-satellite-3-part-of-nasa-small-astronomy-satellite-3-mission
    a ns0:ground-observatory .

ns0:smith-college-observatory
    a ns0:ground-observatory .

ns0:smith-river-observatory-united-states
    a ns0:ground-observatory .

ns0:smolecin-observatory-poland
    a ns0:ground-observatory .

ns0:snohomish-hilltop-observatory-united-states
    a ns0:ground-observatory .

ns0:snx-net-at-el-sauce-observatory-chile
    a ns0:ground-observatory .

ns0:snx-net-at-hakos-astrofarm-namibia
    a ns0:ground-observatory .

ns0:snx-net-at-moorook-observatory-australia
    a ns0:ground-observatory .

ns0:snx-net-at-prodromos-observatory-cyprus
    a ns0:ground-observatory .

ns0:snx-net-at-siding-spring-observatory-australia
    a ns0:ground-observatory .

ns0:snx-net-at-wailuku-observatory-united-states
    a ns0:ground-observatory .

ns0:sobaeksan-optical-astronomy-observatory-south-korea
    a ns0:ground-observatory .

ns0:sobradillo-observatory-spain
    a ns0:ground-observatory .

ns0:socorro-observatory-united-states
    a ns0:ground-observatory .

ns0:soerth-observatory-germany
    a ns0:ground-observatory .

ns0:sogel-observatory-germany
    a ns0:ground-observatory .

ns0:soisy-sur-seine-observatory-france
    a ns0:ground-observatory .

ns0:solaris-observatory-poland
    a ns0:ground-observatory .

ns0:solingen-observatory-germany
    a ns0:ground-observatory .

ns0:sollies-pont-observatory-france
    a ns0:ground-observatory .

ns0:sommers-bausch-observatory-united-states
    a ns0:ground-observatory .

ns0:sonear-observatory-brazil
    a ns0:ground-observatory .

ns0:sonear-wykrota-ceamig-observatory-brazil
    a ns0:ground-observatory .

ns0:sonneberg-observatory-germany
    a ns0:ground-observatory .

ns0:sonoita-research-observatory-united-states
    a ns0:ground-observatory .

ns0:sonoran-desert-skies-observatory
    a ns0:ground-observatory .

ns0:sonoran-skies-observatory-united-states
    a ns0:ground-observatory .

ns0:sooke-observatory-canada
    a ns0:ground-observatory .

ns0:sopot-astronomical-observatory-serbia
    a ns0:ground-observatory .

ns0:sormano-2-observatory-italy
    a ns0:ground-observatory .

ns0:sormano-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:south-african-astronomical-observatory-south-africa
    a ns0:ground-observatory .

ns0:south-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:south-wonston-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:southend-bradfield-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:southern-stars-observatory-france
    a ns0:ground-observatory .

ns0:southside-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:southwater-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:sozzago-astronomical-station-italy
    a ns0:ground-observatory .

ns0:space-observatory-at-wurzburg-germany
    a ns0:ground-observatory .

ns0:space-surveillance-telescope-at-atom-site-observatory-united-states
    a ns0:ground-observatory .

ns0:space-tracking-and-communications-center-at-jaxa-observatory-japan
    a ns0:ground-observatory .

ns0:spaceguard-center-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:spacewatch-project-at-kitt-peak-observatory
    a ns0:ground-observatory .

ns0:sparky-s-stars-at-masseris-observatory-italy
    a ns0:ground-observatory .

ns0:special-astrophysical-observatory-of-the-russian-academy-of-science
    a ns0:ground-observatory .

ns0:speculoos-south-observatory-chile
    a ns0:ground-observatory .

ns0:speranza-observatory-new-zealand
    a ns0:ground-observatory .

ns0:spica-observatory-italy
    a ns0:ground-observatory .

ns0:spirit-marsh-observatory-united-states
    a ns0:ground-observatory .

ns0:springbok-observatory-namibia
    a ns0:ground-observatory .

ns0:springe-observatory-germany
    a ns0:ground-observatory .

ns0:squirrel-valley-observatory-united-states
    a ns0:ground-observatory .

ns0:st-andrews-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:st-george-observatory-romania
    a ns0:ground-observatory .

ns0:st-martin-observatory-france
    a ns0:ground-observatory .

ns0:st-mellons-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:st-paul-observatory-france
    a ns0:ground-observatory .

ns0:stakenbridge-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:stamford-observatory-united-states
    a ns0:ground-observatory .

ns0:stammersdorf-observatory-austria
    a ns0:ground-observatory .

ns0:stanley-laver-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:star-cruiser-observatory-united-states
    a ns0:ground-observatory .

ns0:star-quarry-observatory-bedford
    a ns0:ground-observatory .

ns0:star-ridge-observatory-united-states
    a ns0:ground-observatory .

ns0:stardome-observatory-new-zealand
    a ns0:ground-observatory .

ns0:stardreams-observatory-romania
    a ns0:ground-observatory .

ns0:stardust-observatory-romania
    a ns0:ground-observatory .

ns0:starfront-observatories-at-rockwood-united-states
    a ns0:ground-observatory .

ns0:starhoo-observatory
    a ns0:ground-observatory .

ns0:starhopper-observatory-romania
    a ns0:ground-observatory .

ns0:starkenburg-observatory-germany
    a ns0:ground-observatory .

ns0:starlab-observatory-russia
    a ns0:ground-observatory .

ns0:starlight-observatory-china
    a ns0:ground-observatory .

ns0:starry-knight-observatory-united-states
    a ns0:ground-observatory .

ns0:starry-night-observatory
    a ns0:ground-observatory .

ns0:starry-wanderer-observatory-belarus
    a ns0:ground-observatory .

ns0:state-university-of-missouri-observatory
    a ns0:ground-observatory .

ns0:stazione-astronomica-betelgeuse-observatory-italy
    a ns0:ground-observatory .

ns0:stazione-astronomica-le-pleiadi-italy
    a ns0:ground-observatory .

ns0:stefanik-s-observatory-czechia
    a ns0:ground-observatory .

ns0:stellar-society-observatory-bulgaria
    a ns0:ground-observatory .

ns0:sterni-observatory-germany
    a ns0:ground-observatory .

ns0:sternwarte-feuerstein-observatory-germany
    a ns0:ground-observatory .

ns0:sternwarte-herne-germany
    a ns0:ground-observatory .

ns0:sternwarte-kirchheim-observatory-germany
    a ns0:ground-observatory .

ns0:sternwarte-mirasteilas-observatory-switzerland
    a ns0:ground-observatory .

ns0:sternwarte-neanderhohe-hochdahl-observatory-germany
    a ns0:ground-observatory .

ns0:sterrenburg-observatory-netherlands
    a ns0:ground-observatory .

ns0:steward-observatory
    a ns0:ground-observatory .

ns0:stia-observatory-italy
    a ns0:ground-observatory .

ns0:stixendorf-observatory-austria
    a ns0:ground-observatory .

ns0:stockholm-observatory-sweden
    a ns0:ground-observatory .

ns0:stockport-observatory-australia
    a ns0:ground-observatory .

ns0:stone-edge-observatory-united-states
    a ns0:ground-observatory .

ns0:stone-finder-observatory
    a ns0:ground-observatory .

ns0:stonegate-observatory-united-states
    a ns0:ground-observatory .

ns0:stonehenge-observatory-united-states
    a ns0:ground-observatory .

ns0:stony-ridge-observatory-united-states
    a ns0:ground-observatory .

ns0:stowupland-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:strawberry-field-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:stull-observatory
    a ns0:ground-observatory .

ns0:stuttgart-hoffeld-observatory-germany
    a ns0:ground-observatory .

ns0:stuttgart-observatory-germany
    a ns0:ground-observatory .

ns0:submillimeter-array-at-mauna-kea-observatory-united-states
    a ns0:ground-observatory .

ns0:submillimeter-wave-1-2m-telescope-at-nobeyama-radio-observatory
    a ns0:ground-observatory .

ns0:sudbury-neutrino-observatory
    a ns0:ground-observatory .

ns0:sukagawa-observatory-japan
    a ns0:ground-observatory .

ns0:sulphur-flats-observatory-united-states
    a ns0:ground-observatory .

ns0:sumoto-observatory-japan
    a ns0:ground-observatory .

ns0:sunflower-observatory-united-states
    a ns0:ground-observatory .

ns0:sunhill-observatory-united-states
    a ns0:ground-observatory .

ns0:sunny-transcarpathian-at-mukachevo-observatory-ukraine
    a ns0:ground-observatory .

ns0:suno-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:sunriver-nature-center-observatory-united-states
    a ns0:ground-observatory .

ns0:suntopia-marina-observatory-japan
    a ns0:ground-observatory .

ns0:super-wide-angle-search-for-planets-extra-solar-planet-detection-program-at-roque-de-los-muchachos-observatory-and-south-african-astronomical-observatory
    a ns0:ground-observatory .

ns0:sura-gardens-observatory-ukraine
    a ns0:ground-observatory .

ns0:sutherland-observatory-south-africa
    a ns0:ground-observatory .

ns0:svh-observatory-at-blairstown-united-states
    a ns0:ground-observatory .

ns0:swan-hill-observatory-australia
    a ns0:ground-observatory .

ns0:swan-reach-imaging-at-glenalta-observatory-australia
    a ns0:ground-observatory .

ns0:swedenborg-observatory-at-bockholmwik-germany
    a ns0:ground-observatory .

ns0:swf-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:swift-gamma-ray-burst-mission-investigation
    a ns0:ground-observatory .

ns0:swilken-brae-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:sydney-observatory-australia
    a ns0:ground-observatory .

ns0:szamotuly-galowo-observatory-poland
    a ns0:ground-observatory .

ns0:szeged-observatory-hungary
    a ns0:ground-observatory .

ns0:table-mountain-observatory
    a ns0:ground-observatory .

ns0:tacande-observatory-spain
    a ns0:ground-observatory .

ns0:tacubaya-observatory-mexico
    a ns0:ground-observatory .

ns0:tajimi-observatory-japan
    a ns0:ground-observatory .

ns0:takanezawa-observatory-japan
    a ns0:ground-observatory .

ns0:takapuna-observatory-new-zealand
    a ns0:ground-observatory .

ns0:talcott-mountain-science-center
    a ns0:ground-observatory .

ns0:tamaris-observatory-france
    a ns0:ground-observatory .

ns0:tamworth-observatory-australia
    a ns0:ground-observatory .

ns0:tangra-observatory-australia
    a ns0:ground-observatory .

ns0:tara-observatory-united-states
    a ns0:ground-observatory .

ns0:tarbatness-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:tarija-observatory-bolivia
    a ns0:ground-observatory .

ns0:tarleton-state-university-observatory-united-states
    a ns0:ground-observatory .

ns0:tartu-observatory-estonia
    a ns0:ground-observatory .

ns0:tartu-old-observatory-estonia
    a ns0:ground-observatory .

ns0:tarui-observatory
    a ns0:ground-observatory .

ns0:tarzana-observatory-united-states
    a ns0:ground-observatory .

ns0:tashkent-observatory-uzbekistan
    a ns0:ground-observatory .

ns0:tataka-observatory-taiwan
    a ns0:ground-observatory .

ns0:taunton-observatory-united-states
    a ns0:ground-observatory .

ns0:taunus-observatory-germany
    a ns0:ground-observatory .

ns0:taurus-1-observatory-belarus
    a ns0:ground-observatory .

ns0:taurus-australis-observatory-brazil
    a ns0:ground-observatory .

ns0:taurus-hill-observatory-finland
    a ns0:ground-observatory .

ns0:tavolaia-observatory-italy
    a ns0:ground-observatory .

ns0:taya-beixo-observatory-venezuela
    a ns0:ground-observatory .

ns0:taylor-range-observatory-australia
    a ns0:ground-observatory .

ns0:tbilisi-observatory
    a ns0:ground-observatory .

ns0:tebbutt-observatory-edgewood-united-states
    a ns0:ground-observatory .

ns0:techdome-observatory-united-states
    a ns0:ground-observatory .

ns0:teide-observatory-spain
    a ns0:ground-observatory .

ns0:telford-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:telok-kemang-observatory-malaysia
    a ns0:ground-observatory .

ns0:temecula-observatory-united-states
    a ns0:ground-observatory .

ns0:tenagra-ii-observatory
    a ns0:ground-observatory .

ns0:tenagra-observatories-united-states
    a ns0:ground-observatory .

ns0:tenerife-observatory
    a ns0:ground-observatory .

ns0:tenerife-observatory-spain
    a ns0:ground-observatory .

ns0:tentlingen-observatory-switzerland
    a ns0:ground-observatory .

ns0:teplice-observatory-czechia
    a ns0:ground-observatory .

ns0:terminus-observatory-spain
    a ns0:ground-observatory .

ns0:terrassa-observatory-spain
    a ns0:ground-observatory .

ns0:terre-haute-observatory
    a ns0:ground-observatory .

ns0:terres-blanches-observatory-france
    a ns0:ground-observatory .

ns0:tesla-observatory-spain
    a ns0:ground-observatory .

ns0:texas-a-m-physics-observatory
    a ns0:ground-observatory .

ns0:the-big-data-for-small-bodies-0-25m-telescope-at-bucharest-astronomical-institute
    a ns0:ground-observatory .

ns0:the-dark-side-observatory-weatherly-united-states
    a ns0:ground-observatory .

ns0:the-french-antarctica-search-for-transiting-exoplanets-facility-at-the-concordia-station-at-dome-c-antarctica
    a ns0:ground-observatory .

ns0:the-japanese-very-long-baseline-interferometry-network
    a ns0:ground-observatory .

ns0:the-ranch-observatory
    a ns0:ground-observatory .

ns0:the-studios-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:thomas-g-cupillari-observatory-united-states
    a ns0:ground-observatory .

ns0:thomas-more-college-observatory-united-states
    a ns0:ground-observatory .

ns0:thompsonville-observatory
    a ns0:ground-observatory .

ns0:thornlands-observatory-australia
    a ns0:ground-observatory .

ns0:thornton-observatory-australia
    a ns0:ground-observatory .

ns0:thornton-observatory-united-states
    a ns0:ground-observatory .

ns0:three-buttes-observatory-united-states
    a ns0:ground-observatory .

ns0:tian-shan-astronomical-observatory-kazakhstan
    a ns0:ground-observatory .

ns0:tiana-observatory-spain
    a ns0:ground-observatory .

ns0:tigh-speuran-observatory-united-states
    a ns0:ground-observatory .

ns0:tiki-observatory-france
    a ns0:ground-observatory .

ns0:timberlake-observatory-united-states
    a ns0:ground-observatory .

ns0:timberland-observatory-united-states
    a ns0:ground-observatory .

ns0:timberline-observatory
    a ns0:ground-observatory .

ns0:tivoli-observatory-namibia
    a ns0:ground-observatory .

ns0:tlc-observatory-italy
    a ns0:ground-observatory .

ns0:toby-point-observatory-united-states
    a ns0:ground-observatory .

ns0:tocororo-observatory-spain
    a ns0:ground-observatory .

ns0:tokai-observatory-japan
    a ns0:ground-observatory .

ns0:tokushima-observatory-japan
    a ns0:ground-observatory .

ns0:tokyo-asahikawa-observatory-japan
    a ns0:ground-observatory .

ns0:tokyo-astronomical-observatory
    a ns0:ground-observatory .

ns0:tokyo-dodaira-observatory-japan
    a ns0:ground-observatory .

ns0:tokyo-mitaka-observatory-japan
    a ns0:ground-observatory .

ns0:tokyo-norikura-observatory-japan
    a ns0:ground-observatory .

ns0:tokyo-okayama-observatory-japan
    a ns0:ground-observatory .

ns0:tolar-astronomical-observatory-argentina
    a ns0:ground-observatory .

ns0:toma-observatory-japan
    a ns0:ground-observatory .

ns0:tomsk-state-university-observatory-russia
    a ns0:ground-observatory .

ns0:tooele-observatory-united-states
    a ns0:ground-observatory .

ns0:toronto-magnetic-and-meteorological-observatory-canada
    a ns0:ground-observatory .

ns0:torreaguila-observatory-spain
    a ns0:ground-observatory .

ns0:torredembarra-observatory-spain
    a ns0:ground-observatory .

ns0:tortona-observatory-italy
    a ns0:ground-observatory .

ns0:tortugas-mountain-observatory
    a ns0:ground-observatory .

ns0:torus-observatory-united-states
    a ns0:ground-observatory .

ns0:tosa-observatory-japan
    a ns0:ground-observatory .

ns0:toulouse-observatory-france
    a ns0:ground-observatory .

ns0:toyama-observatory-japan
    a ns0:ground-observatory .

ns0:toyokawa-observatory-japan
    a ns0:ground-observatory .

ns0:toyonaka-observatory-japan
    a ns0:ground-observatory .

ns0:toyota-observatory-japan
    a ns0:ground-observatory .

ns0:tradate-observatory-italy
    a ns0:ground-observatory .

ns0:transient-survey-telescope-at-teide-observatory-spain
    a ns0:ground-observatory .

ns0:transit-dreams-observatory-campobello-united-states
    a ns0:ground-observatory .

ns0:transiting-planets-and-planetesimals-small-telescope-at-la-silla-observatory-chile
    a ns0:ground-observatory .

ns0:tree-gate-farm-observatory-starkville-united-states
    a ns0:ground-observatory .

ns0:trent-astronomical-observatory
    a ns0:ground-observatory .

ns0:tres-cantos-observatory-spain
    a ns0:ground-observatory .

ns0:trevinca-skies-amalthea-spain
    a ns0:ground-observatory .

ns0:tros-alt
    a ns0:ground-observatory .

ns0:trt-neo-observatory-thailand
    a ns0:ground-observatory .

ns0:trumbull-observatory-united-states
    a ns0:ground-observatory .

ns0:tsingtao-field-station-china
    a ns0:ground-observatory .

ns0:tsky-observatory-thailand
    a ns0:ground-observatory .

ns0:tubi-tak-national-observatory-turkiye
    a ns0:ground-observatory .

ns0:tucci-observatory-spain
    a ns0:ground-observatory .

ns0:tucson-observatory-united-states
    a ns0:ground-observatory .

ns0:tucson-winterhaven-observatory
    a ns0:ground-observatory .

ns0:tula-rooftop-observatory
    a ns0:ground-observatory .

ns0:tumamoc-hill-observatory-united-states
    a ns0:ground-observatory .

ns0:tuorla-observatory-finland
    a ns0:ground-observatory .

ns0:turin-observatory-italy
    a ns0:ground-observatory .

ns0:turitea-observatory-new-zealand
    a ns0:ground-observatory .

ns0:turtle-star-observatory-germany
    a ns0:ground-observatory .

ns0:tuscany-remote-observatory
    a ns0:ground-observatory .

ns0:tweenhills-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:two-meter-twin-telescope-at-teide-observatory-spain
    a ns0:ground-observatory .

ns0:tycho-observatory-italy
    a ns0:ground-observatory .

ns0:tyrone-observatory-united-states
    a ns0:ground-observatory .

ns0:tzec-maun-observatory-australia
    a ns0:ground-observatory .

ns0:uas-ison-observatory-mexico
    a ns0:ground-observatory .

ns0:ucl-observatory
    a ns0:ground-observatory .

ns0:uecht-observatory-switzerland
    a ns0:ground-observatory .

ns0:uenohara-observatory-japan
    a ns0:ground-observatory .

ns0:uhf-radar-at-tromso-norway
    a ns0:ground-observatory .

ns0:uiterstegracht-station-observatory-netherlands
    a ns0:ground-observatory .

ns0:ultra-observatory-at-suzhou-observatory-china
    a ns0:ground-observatory .

ns0:ulu-observatory-italy
    a ns0:ground-observatory .

ns0:umbrella-observatory-germany
    a ns0:ground-observatory .

ns0:underwood-observatory-united-states
    a ns0:ground-observatory .

ns0:union-observatory-south-africa
    a ns0:ground-observatory .

ns0:united-states-naval-academy
    a ns0:ground-observatory .

ns0:united-states-naval-observatory
    a ns0:ground-observatory .

ns0:united-states-naval-observatory-flagstaff-station-united-states
    a ns0:ground-observatory .

ns0:united-states-space-surveillance-network
    a ns0:ground-observatory .

ns0:universitatssternwarte-graz-observatory-austria
    a ns0:ground-observatory .

ns0:university-hills-observatory-united-states
    a ns0:ground-observatory .

ns0:university-of-central-arkansas-observatory
    a ns0:ground-observatory .

ns0:university-of-narino-observatory-colombia
    a ns0:ground-observatory .

ns0:university-of-north-dakota-observatory-united-states
    a ns0:ground-observatory .

ns0:university-of-oklahoma-observatory
    a ns0:ground-observatory .

ns0:university-of-tasmania-30m-telescope-at-ceduna-radio-observatory
    a ns0:ground-observatory .

ns0:university-of-the-andes-observatory-venezuela
    a ns0:ground-observatory .

ns0:untermenzing-observatory-germany
    a ns0:ground-observatory .

ns0:upice-observatory-czechia
    a ns0:ground-observatory .

ns0:uppsala-angstrom-observatory-sweden
    a ns0:ground-observatory .

ns0:uppsala-astronomical-observatory-sweden
    a ns0:ground-observatory .

ns0:urania-observatory
    a ns0:ground-observatory .

ns0:uraniborg-observatory
    a ns0:ground-observatory .

ns0:ursa-observatory-finland
    a ns0:ground-observatory .

ns0:urseanu-observatory-bucharest-romania
    a ns0:ground-observatory .

ns0:usafa-observatory-united-states
    a ns0:ground-observatory .

ns0:ussuriysk-astrophysical-observatory-russia
    a ns0:ground-observatory .

ns0:uto-observatory-japan
    a ns0:ground-observatory .

ns0:utp-astronomical-observatory-pereira-colombia
    a ns0:ground-observatory .

ns0:utrecht-observatory-netherlands
    a ns0:ground-observatory .

ns0:utsunomiya-imaizumi-observatory-japan
    a ns0:ground-observatory .

ns0:utsunomiya-observatory-japan
    a ns0:ground-observatory .

ns0:uwa-observatory-australia
    a ns0:ground-observatory .

ns0:uzhhorod-observatory-ukraine
    a ns0:ground-observatory .

ns0:uzurano-observatory-japan
    a ns0:ground-observatory .

ns0:v-p-engel-gardt-astronomical-observatory-at-zelenchukskaya-station-russian-federation
    a ns0:ground-observatory .

ns0:vail-view-observatory-united-states
    a ns0:ground-observatory .

ns0:vainu-bappu-observatory-india
    a ns0:ground-observatory .

ns0:val-des-bois-observatory-canada
    a ns0:ground-observatory .

ns0:valdicerro-observatory-italy
    a ns0:ground-observatory .

ns0:valencia-observatory-spain
    a ns0:ground-observatory .

ns0:valentines-observatory-switzerland
    a ns0:ground-observatory .

ns0:valinhos-observatory-brazil
    a ns0:ground-observatory .

ns0:vallauris-observatory-france
    a ns0:ground-observatory .

ns0:valldoreix-observatory-spain
    a ns0:ground-observatory .

ns0:valle-del-sol-observatory-spain
    a ns0:ground-observatory .

ns0:vallemare-di-borbona-astronomical-observatory-italy
    a ns0:ground-observatory .

ns0:valmeca-observatory-france
    a ns0:ground-observatory .

ns0:van-allen-observatory
    a ns0:ground-observatory .

ns0:van-vleck-observatory
    a ns0:ground-observatory .

ns0:varedo-observatory-italy
    a ns0:ground-observatory .

ns0:varennes-observatory-france
    a ns0:ground-observatory .

ns0:varuna-observatory-italy
    a ns0:ground-observatory .

ns0:vassar-college-observatory
    a ns0:ground-observatory .

ns0:vatican-observatory
    a ns0:ground-observatory .

ns0:vaucluse-observatoire-celeste-at-blauvac-france
    a ns0:ground-observatory .

ns0:vaulx-en-velin-observatory-france
    a ns0:ground-observatory .

ns0:vds-remote-observatory-at-hakos-namibia
    a ns0:ground-observatory .

ns0:vedrus-observatory-russia
    a ns0:ground-observatory .

ns0:vega-del-thader-observatory-spain
    a ns0:ground-observatory .

ns0:vega-observatory-austria
    a ns0:ground-observatory .

ns0:vegaquattro-observatory-italy
    a ns0:ground-observatory .

ns0:velikiye-luki-observatory-russian-federation
    a ns0:ground-observatory .

ns0:venera-15
    a ns0:ground-observatory .

ns0:venera-16
    a ns0:ground-observatory .

ns0:ventilla-observatory-spain
    a ns0:ground-observatory .

ns0:vera-c-rubin-observatory-chile
    a ns0:ground-observatory .

ns0:vermillion-cliffs-observatory-united-states
    a ns0:ground-observatory .

ns0:very-long-baseline-interferometry-network
    a ns0:ground-observatory .

ns0:vesqueville-observatory-belgium
    a ns0:ground-observatory .

ns0:vhs-vista-observatory-chile
    a ns0:ground-observatory .

ns0:via-capote-sky-observatory-united-states
    a ns0:ground-observatory .

ns0:via-lactea-observatory-spain
    a ns0:ground-observatory .

ns0:vicksburg-observatory-united-states
    a ns0:ground-observatory .

ns0:victoria-magnetic-observatory-canada
    a ns0:ground-observatory .

ns0:vienna-observatory-austria
    a ns0:ground-observatory .

ns0:viestikallio-observatory-finland
    a ns0:ground-observatory .

ns0:village-neuf-observatory-france
    a ns0:ground-observatory .

ns0:vilnius-observatory-lithuania
    a ns0:ground-observatory .

ns0:vilnius-university-astronomical-observatory-lithuania
    a ns0:ground-observatory .

ns0:vina-del-mar-observatory-chile
    a ns0:ground-observatory .

ns0:vinyols-observatory-spain
    a ns0:ground-observatory .

ns0:virgil-observatory-italy
    a ns0:ground-observatory .

ns0:virginio-cesarini-observatory-italy
    a ns0:ground-observatory .

ns0:virgo-observatory-italy
    a ns0:ground-observatory .

ns0:virtual-telescope-project-at-ceccano-observatory-italy
    a ns0:ground-observatory .

ns0:virtual-telescope-project-at-manciano-observatory-italy
    a ns0:ground-observatory .

ns0:visnjan-observatory-croatia
    a ns0:ground-observatory .

ns0:vitebsk-observatory-belarus
    a ns0:ground-observatory .

ns0:vlt-survey-telescope-at-paranal-observatory-chile
    a ns0:ground-observatory .

ns0:volkssternwarte-bonn-observatory-germany
    a ns0:ground-observatory .

ns0:volkssternwarte-buchloe-germany
    a ns0:ground-observatory .

ns0:volkssternwarte-dhaun-observatory-germany
    a ns0:ground-observatory .

ns0:volkssternwarte-hagen-observatory-germany
    a ns0:ground-observatory .

ns0:volkssternwarte-kempten-observatory-germany
    a ns0:ground-observatory .

ns0:volkssternwarte-koln-germany
    a ns0:ground-observatory .

ns0:volkssternwarte-michelbach-observatory-austria
    a ns0:ground-observatory .

ns0:volkssternwarte-urania-jena
    a ns0:ground-observatory .

ns0:volkssterrenwacht-simon-stevin-observatory-netherlands
    a ns0:ground-observatory .

ns0:vulcan-north-at-lick-observatory-united-states
    a ns0:ground-observatory .

ns0:vulpecula-observatory-hungary
    a ns0:ground-observatory .

ns0:w-crusis-astronomical-observatory-argentina
    a ns0:ground-observatory .

ns0:w-m-keck-observatory-at-maunakea-united-states
    a ns0:ground-observatory .

ns0:w-m-keck-observatory-united-states
    a ns0:ground-observatory .

ns0:waa-remote-observatory-namibia
    a ns0:ground-observatory .

ns0:waccobs-observatory-brazil
    a ns0:ground-observatory .

ns0:waizenreuth-observatory-germany
    a ns0:ground-observatory .

ns0:wakayama-observatory-japan
    a ns0:ground-observatory .

ns0:wallace-observatory-at-westford
    a ns0:ground-observatory .

ns0:wallaroo-observatory-australia
    a ns0:ground-observatory .

ns0:wallhausen-observatory-germany
    a ns0:ground-observatory .

ns0:wallis-observatory-united-states
    a ns0:ground-observatory .

ns0:walnut-creek-observatory
    a ns0:ground-observatory .

ns0:waltonfields-observatory-united-states
    a ns0:ground-observatory .

ns0:wanapum-dam-observatory-united-states
    a ns0:ground-observatory .

ns0:wanniassa-observatory-australia
    a ns0:ground-observatory .

ns0:warner-and-swasey-nassau-station-observatory-united-states
    a ns0:ground-observatory .

ns0:warner-and-swasey-observatory-united-states
    a ns0:ground-observatory .

ns0:warren-and-beverly-observatory
    a ns0:ground-observatory .

ns0:warrumbungle-observatory-australia
    a ns0:ground-observatory .

ns0:warsaw-university-astronomical-observatory-poland
    a ns0:ground-observatory .

ns0:wartburg-college-observatory
    a ns0:ground-observatory .

ns0:washburn-observatory-united-states
    a ns0:ground-observatory .

ns0:waterlooville-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:wayne-observatory-united-states
    a ns0:ground-observatory .

ns0:wayside-observatory-united-states
    a ns0:ground-observatory .

ns0:wegberg-observatory-germany
    a ns0:ground-observatory .

ns0:weinheim-observatory-germany
    a ns0:ground-observatory .

ns0:weizmann-astrophysical-observatory-israel
    a ns0:ground-observatory .

ns0:wellinghofen-observatory-germany
    a ns0:ground-observatory .

ns0:wendelstein-observatory-germany
    a ns0:ground-observatory .

ns0:werner-schmidt-observatory-united-states
    a ns0:ground-observatory .

ns0:werrington-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:west-challow-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:west-mountain-observatory-united-states
    a ns0:ground-observatory .

ns0:west-skies-observatory-united-states
    a ns0:ground-observatory .

ns0:westport-observatory-united-states
    a ns0:ground-observatory .

ns0:westrock-observatory-united-states
    a ns0:ground-observatory .

ns0:westwood-observatory
    a ns0:ground-observatory .

ns0:wetzikon-observatory-switzerland
    a ns0:ground-observatory .

ns0:wfst-at-saishiteng-observatory-china
    a ns0:ground-observatory .

ns0:whiskey-creek-observatory-united-states
    a ns0:ground-observatory .

ns0:white-county-observatory-searcy-united-states
    a ns0:ground-observatory .

ns0:whitestar-observatory-italy
    a ns0:ground-observatory .

ns0:whitin-observatory
    a ns0:ground-observatory .

ns0:wickede-observatory-germany
    a ns0:ground-observatory .

ns0:wide-field-mufara-telescope-at-isnello-observatory-italy
    a ns0:ground-observatory .

ns0:wide-field-sky-survey-at-palomar-observatory-united-states
    a ns0:ground-observatory .

ns0:wiesbaden-observatory-germany
    a ns0:ground-observatory .

ns0:wildberg-observatory-germany
    a ns0:ground-observatory .

ns0:wilfred-hall-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:wilhelm-foerster-observatory-germany
    a ns0:ground-observatory .

ns0:williams-observatory
    a ns0:ground-observatory .

ns0:willow-bank-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:willowed-plains-observatory-united-states
    a ns0:ground-observatory .

ns0:wimborne-minster-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:winchester-observatory-united-states
    a ns0:ground-observatory .

ns0:windsor-observatory-australia
    a ns0:ground-observatory .

ns0:winer-observatory
    a ns0:ground-observatory .

ns0:wise-observatory-israel
    a ns0:ground-observatory .

ns0:wishing-star-observatory-united-states
    a ns0:ground-observatory .

ns0:witherlea-observatory-new-zealand
    a ns0:ground-observatory .

ns0:wobblesock-observatory-australia
    a ns0:ground-observatory .

ns0:woogaroo-observatory-australia
    a ns0:ground-observatory .

ns0:woolston-observatory-united-kingdom
    a ns0:ground-observatory .

ns0:woomera-observatory-australia
    a ns0:ground-observatory .

ns0:wormout-observatory-france
    a ns0:ground-observatory .

ns0:wurzburg-university-observatory-germany
    a ns0:ground-observatory .

ns0:wykrota-observatory-brazil
    a ns0:ground-observatory .

ns0:wyncroft-observatory
    a ns0:ground-observatory .

ns0:wyoming-infrared-observatory
    a ns0:ground-observatory .

ns0:wyrick-observatory-united-states
    a ns0:ground-observatory .

ns0:x-and-gamma-ray-international-astrophysical-observatory-granat
    a ns0:ground-observatory .

ns0:xinglong-station-observatory-china
    a ns0:ground-observatory .

ns0:xingming-observatory-2-at-nanshan-observatory-china
    a ns0:ground-observatory .

ns0:xingming-observatory-3-at-nanshan-observatory-china
    a ns0:ground-observatory .

ns0:xingming-observatory-kats-china
    a ns0:ground-observatory .

ns0:yale-columbia-observatory-south-africa
    a ns0:ground-observatory .

ns0:yale-observatory-united-states
    a ns0:ground-observatory .

ns0:yamada-observatory-japan
    a ns0:ground-observatory .

ns0:yamagata-observatory-japan
    a ns0:ground-observatory .

ns0:yamamoto-observatory-japan
    a ns0:ground-observatory .

ns0:yamaneko-group-of-comet-observers-chiyoda-station-japan
    a ns0:ground-observatory .

ns0:yanagida-astronomical-observatory-japan
    a ns0:ground-observatory .

ns0:yatsugatake-kobuchizawa-observatory-japan
    a ns0:ground-observatory .

ns0:yatsugatake-south-base-observatory-japan
    a ns0:ground-observatory .

ns0:yatsuka-observatory-japan
    a ns0:ground-observatory .

ns0:ycpm-kagoshima-observatory-japan
    a ns0:ground-observatory .

ns0:yebes-observatory-spain
    a ns0:ground-observatory .

ns0:yellow-springs-observatory-united-states
    a ns0:ground-observatory .

ns0:yerkes-observatory
    a ns0:ground-observatory .

ns0:yerres-canotiers-observatory-france
    a ns0:ground-observatory .

ns0:yonsei-survey-telescopes-for-astronomical-research-at-sutherland-observatory-south-africa
    a ns0:ground-observatory .

ns0:yorii-observatory-japan
    a ns0:ground-observatory .

ns0:younchun-observatory-south-korea
    a ns0:ground-observatory .

ns0:youndegin-observatory-australia
    a ns0:ground-observatory .

ns0:ysvp-observatory-australia
    a ns0:ground-observatory .

ns0:yunling-observatory-china
    a ns0:ground-observatory .

ns0:yunnan-astronomical-observatory-china
    a ns0:ground-observatory .

ns0:yunnan-hk-observatory-china
    a ns0:ground-observatory .

ns0:yunnan-large-telescope-at-national-astronomical-observatory-of-chinese-academy-of-sciences-china
    a ns0:ground-observatory .

ns0:yunquera-observatory-spain
    a ns0:ground-observatory .

ns0:zadko-observatory-australia
    a ns0:ground-observatory .

ns0:zaldibia-observatory-spain
    a ns0:ground-observatory .

ns0:zeds-astronomical-observatory-pakistan
    a ns0:ground-observatory .

ns0:zeiss-planetarium-drebach-observatory-germany
    a ns0:ground-observatory .

ns0:zeist-observatory-netherlands
    a ns0:ground-observatory .

ns0:zen-observatory-italy
    a ns0:ground-observatory .

ns0:zeno-observatory-united-states
    a ns0:ground-observatory .

ns0:zeta-aquarii-observatory-romania
    a ns0:ground-observatory .

ns0:zimmerwald-observatory-switzerland
    a ns0:ground-observatory .

ns0:zlin-observatory-czechia
    a ns0:ground-observatory .

ns0:zuben-observatory-spain
    a ns0:ground-observatory .

ns0:zvenigorod-observatory-russia
    a ns0:ground-observatory .