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

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

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