Observatory, City Observatory, Royal Observatory, Greenwich, Mykolaiv Observatory, Štefánik's Observatory, Palomar Observatory, Hamburg Observatory, Cincinnati Observatory, Pulkovo Observatory, Union Observatory, McDonald Observatory, Stockholm Observatory, Dunsink Observatory, Gotha Observatory, Observatory of Strasbourg, Belgrade Observatory, Paris Observatory, Hong Kong Observatory, Ford Observatory, Bayfordbury Observatory, Observatory Naef Épendes, Engelhardt Observatory, Airborne observatory, Kleť Observatory, Kevola Observatory, King's Observatory, Østervold Observatory, Rozhen Observatory, United States Naval Observatory, Neuchâtel Observatory, Berlin Observatory, Skalnaté pleso Observatory, Lick Observatory, Koenigsberg Observatory, Griffith Observatory, Hirsch Observatory, Perth Observatory, Observatory of Turin, Lowell Observatory, Warner and Swasey Observatory, Molėtai Astronomical Observatory

Iso-Heikkilä Observatory, Tartu Observatory, Daniel S. Schanck Observatory, David Dunlap Observatory, Yale University Observatory, Göttingen Observatory, Simeiz Observatory, Bareket Observatory, Royal Observatory, Edinburgh, Sommers–Bausch Observatory, Vilnius University Astronomical Observatory, McCormick Observatory, Fred Lawrence Whipple Observatory, Astronaut Memorial Planetarium and Observatory, National Observatory of Athens, Mount Stromlo Observatory, Zagreb Observatory, Hoober Observatory, Wise Observatory, Poznań Observatory, Byurakan Observatory, Georgetown University Astronomical Observatory, Heidelberg-Königstuhl State Observatory, Nyrölä Observatory, Mirasteilas Observatory, Coats Observatory, Purple Mountain Observatory, Astronomical Observatory of Capodimonte, Haystack Observatory, Metsähovi Radio Observatory, Royal Observatory of Belgium, Sonnenborgh Observatory, South African Astronomical Observatory, Spanish National Observatory, Armagh Observatory, Haleakalā Observatory, Paranal Observatory, Sydney Observatory, Observatory Circle, Collurania-Teramo Observatory, Mills Observatory, C. E. K. Mees Observatory, Bucharest Observatory, Shamakhy Astrophysical Observatory, List of observatory codes, Theodor Jacobsen Observatory, Vera C. Rubin Observatory, Bird observatory, Debrecen Heliophysical Observatory, Virtual observatory

Observatory, City Observatory, Royal Observatory, Greenwich, Mykolaiv Observatory, Štefánik's Observatory, Palomar Observatory, Hamburg Observatory, Cincinnati Observatory, Pulkovo Observatory, Union Observatory, McDonald Observatory, Stockholm Observatory, Dunsink Observatory, Gotha Observatory, Observatory of Strasbourg, Belgrade Observatory, Paris Observatory, Hong Kong Observatory, Ford Observatory, Bayfordbury Observatory, Observatory Naef Épendes, Engelhardt Observatory, Airborne observatory, Kleť Observatory, Kevola Observatory, King's Observatory, Østervold Observatory, Rozhen Observatory, United States Naval Observatory, Neuchâtel Observatory, Berlin Observatory, Skalnaté pleso Observatory, Lick Observatory, Koenigsberg Observatory, Griffith Observatory, Hirsch Observatory, Perth Observatory, Observatory of Turin, Lowell Observatory, Warner and Swasey Observatory, Molėtai Astronomical Observatory, Iso-Heikkilä Observatory, Tartu Observatory, Daniel S. Schanck Observatory, David Dunlap Observatory, Yale University Observatory, Göttingen Observatory, Simeiz Observatory, Bareket Observatory, Royal Observatory, Edinburgh, Sommers–Bausch Observatory, Vilnius University Astronomical Observatory, McCormick Observatory, Fred Lawrence Whipple Observatory, Astronaut Memorial Planetarium and Observatory, National Observatory of Athens, Mount Stromlo Observatory, Zagreb Observatory, Hoober Observatory, Wise Observatory, Poznań Observatory, Byurakan Observatory, Georgetown University Astronomical Observatory, Heidelberg-Königstuhl State Observatory, Nyrölä Observatory, Mirasteilas Observatory, Coats Observatory, Purple Mountain Observatory, Astronomical Observatory of Capodimonte, Haystack Observatory, Metsähovi Radio Observatory, Royal Observatory of Belgium, Sonnenborgh Observatory, South African Astronomical Observatory, Spanish National Observatory, Armagh Observatory, Haleakalā Observatory, Paranal Observatory, Sydney Observatory, Observatory Circle, Collurania-Teramo Observatory, Mills Observatory, C. E. K. Mees Observatory, Bucharest Observatory, Shamakhy Astrophysical Observatory, List of observatory codes, Theodor Jacobsen Observatory, Vera C. Rubin Observatory, Bird observatory, Debrecen Heliophysical Observatory, Virtual observatory, Observatory (disambiguation), Düsseldorf-Bilk Observatory, Ulugh Beg Observatory, Great Observatories program, Coral World Underwater Observatory, Bagnoud Observatory, McMath–Hulbert Observatory, Dominion Observatory, Teide Observatory, Steward Observatory, Tamke-Allan Observatory, Godlee Observatory, Palermo Astronomical Observatory, Ralph A. Worley Observatory, Fick Observatory, List of astronomical observatories, National Astronomical Observatory (Chile), Tuorla Observatory, Morgan–Monroe Observatory, Jura Observatory, Governor Aker Observatory, Altona Observatory, Vega–Bray Observatory, Besançon Astronomical Observatory, Kodaikanal Solar Observatory, The Observatory (journal), Herrett Observatory, Etelman Observatory, Pierre Auger Observatory, Oakley Observatory, Dudley Observatory, Judson B. Coit Observatory, Oregon Observatory, Veen Observatory, Mendenhall Observatory, Marseille Observatory, Argentine National Observatory, Blue Hill Meteorological Observatory, Asiago Astrophysical Observatory, Rogers Observatory, Morris Observatory, Maragheh observatory, Weaver Student Observatory, Menke Observatory, Arecibo Observatory, Kanzelhoehe Solar Observatory, Nizamia observatory, Miller Observatory, Rainwater Observatory and Planetarium, Ford Observatory (Ithaca), Haute-Provence Observatory, Ōizumi Observatory, Vatican Observatory, Astrodomi Observatory, Cupillari Observatory, Airdrie Observatory, Nice Observatory, NASA Earth Observatory, Kielder Observatory, Observatory of Saint-Veran