Name |
Established |
Location |
Abastumani Astrophysical Observatory |
1932 |
Abastumani, Georgia |
Abu Reyhan-e Birooni Observatory |
1976 |
Shiraz University, Shiraz, Iran |
Adirondack Public Observatory |
|
Tupper Lake, New York, US |
Aditya-L1 |
2023 |
Sun-Earth L1 |
Adolphson Observatory |
2013 |
Monmouth, Illinois, US |
Airdrie Public Observatory |
1896 |
Airdrie, Scotland, UK |
Aker Observatory |
1995 |
Safford, Arizona, US |
Aldershot Observatory |
1906 |
Aldershot, Hampshire, England, UK |
Algonquin Radio Observatory |
1959 |
Algonquin Provincial Park, Ontario, Canada |
Allegheny Observatory |
1859 |
Pittsburgh, Pennsylvania, US |
Ametlla de Mar Observatory |
1992 |
l'Ametlla de Mar, Catalonia, Spain |
AMiBA |
2006 |
Mauna Loa, Hawaii, US |
Anderson Mesa Station |
1959 |
Flagstaff, Arizona, US |
Angell Hall Observatory |
1927 |
Ann Arbor, Michigan, US |
Ankara University Observatory |
1963 |
Gölbaşı, Ankara, Turkey |
Antarctic Muon and Neutrino Detector Array |
2002 |
Antarctica |
Antarctic Submillimeter Telescope and Remote Observatory |
1994–2005 |
Antarctica |
ANTARES |
2008 |
In the Mediterranean Sea near Toulon, France |
Apache-Sitgreaves Observatory |
2005 |
Overgaard, Arizona, US |
Apache Point Observatory |
1985 |
Sunspot, New Mexico, US |
Apatity Cosmic-Ray Station |
|
Apatity, Russia |
Apollo Observatory |
1969 |
Dayton, Ohio, US |
Arcetri Observatory |
|
Arcetri, Florence, Italy |
Arecibo Observatory |
1963 |
Arecibo, Puerto Rico, US |
Argentine Institute of Radio Astronomy |
1966 |
Berazategui Partido, Buenos Aires Province, Argentina |
Armagh Observatory |
1790 |
Armagh, UK |
Aryabhatta Research Institute of Observational Sciences |
1954 |
Nainital, Uttarakhand, India |
Ashton Observatory |
1983 |
Baxter, Iowa, US |
Asiago Astrophysical Observatory |
1942 |
Asiago, Italy |
Assheton Observatory |
1860 |
Lancashire, UK |
Astron (defunct) |
1983–1989 |
Highly eccentric Earth orbit |
Astronomical Observatory Aurora |
2011 |
Hechingen, Germany |
Astronomical Observatory of Lisbon |
1867 |
Lisbon, Portugal |
Astronomy Centre |
1982 |
Todmorden, England |
Astronomy Tower of the Sorbonne |
1885–1909 (only for amateur use since 1980) |
Paris, France |
Astrophysical Institute Potsdam |
1992 |
Potsdam, Germany |
Atacama Pathfinder Experiment (APEX) |
2003 |
Llano de Chajnantor Observatory, Chile |
Australia Telescope Compact Array |
1988 |
Narrabri, Australia |
Australian Astronomical Observatory |
1971 |
Coonabarabran, Australia |
Badlands Observatory |
2000 |
Quinn, South Dakota, US |
Baikal Deep Underwater Neutrino Telescope |
1993 |
Baikal Lake, Russia |
Bangladesh Astronomical Observatory Archived 2020-06-09 at the Wayback Machine |
2015 |
Dhaka, Bangladesh |
Baker Observatory |
1980 |
Marshfield, Missouri, US |
Baksan Neutrino Observatory |
1977 |
Prielbrusye, Baksan Valley, Russia |
Ball State University Observatory |
|
Muncie, Indiana, US |
Barnard Observatory (defunct) |
1859 |
Oxford, Mississippi, US |
Bareket Observatory |
1990 |
Maccabim, Israel |
Barnett Observatory |
1960 |
Chesterfield, England, UK |
Bayfordbury Observatory |
1969 |
Hertfordshire, England, UK |
Behlen Observatory |
1972 |
Mead, Nebraska, US |
Beijing Astronomical Observatory |
1958 |
Beijing, China |
Beijing Ancient Observatory |
1442 |
Beijing, China |
Belgrade Observatory |
1887 |
Belgrade, Serbia |
Belogradchik Observatory |
1961 |
Belogradchik, Bulgaria |
Benmore Peak Observatory |
1996 |
Mackenzie Basin, South Island, New Zealand |
BeppoSAX (defunct) |
1996–2003 |
Low Earth orbit |
Bergisch Gladbach Observatory |
|
Bergisch Gladbach, Germany |
Berlin Observatory |
1711 |
Germany |
Besançon Observatory |
1882 |
Besançon, France |
BESS |
1993 |
Antarctic |
Bidston Observatory |
1849 |
Bidston, England, UK |
Big Bear Lake Solar Observatory |
1969 |
Big Bear City, California, US |
Bisdee Tier Optical Astronomy Observatory |
2010 |
Bisdee Tier, Spring Hill, Tasmania, Australia |
Black Moshannon Observatory (defunct) |
1972 |
Pennsylvania, US |
Blackett Observatory |
1930s |
Wiltshire, England, UK |
Blue Mesa Observatory (defunct) |
1967 |
New Mexico, US |
Boambee Observatory |
1987 |
Boambee, New South Wales, Australia |
Bohyunsan Optical Astronomy Observatory (BOAO) |
1996 |
Youngchun, Republic of Korea |
BOOTES |
1985 |
Spain |
Bordeaux Observatory |
1878 |
Floirac, France |
Bosscha Observatory |
1923 |
Lembang, West Java, Indonesia |
Boswell Observatory (defunct) |
1883 |
Crete, Nebraska, US |
Bowman Observatory |
1940 |
Greenwich, Connecticut, US |
Boyden Observatory |
1889 |
Bloemfontein, South Africa |
Bradstreet Observatory |
1996 |
St. Davids, Pennsylvania, US |
Bradley Observatory |
1950 |
Decatur, Georgia, US |
Braeside Observatory (defunct) |
1976 |
Flagstaff, Arizona, US |
Brera Observatory |
1764 |
Milan, Italy |
Bridgewater State University Observatory |
2012 |
Bridgewater, Massachusetts, US |
Brooks Observatory |
|
Toledo, Ohio, US |
Brooks Astronomical Observatory |
1964 |
Mount Pleasant, Michigan, US |
Brorfelde Observatory |
|
Holbæk, Denmark |
Bucharest Observatory |
1910 |
Bucharest, Romania |
Bucknell Observatory |
|
Lewisburg, Pennsylvania, US |
Burrell Memorial Observatory |
1940 |
Berea, Ohio, US |
Byurakan Observatory |
1946 |
Mount Aragats, Armenia |
Cagigal Observatory |
1888 |
Caracas, Venezuela |
Cagliari Observatory |
1899 |
Cagliari, Sardinia |
Calais Observatory (defunct) |
1857 |
Calais, Maine |
Calar Alto Observatory |
1975 |
Almería, Spain |
Caltech Submillimeter Observatory (defunct) |
1986 |
Mauna Kea, Hawaii, US |
Cambridge Observatory |
1823 |
Cambridge, UK |
Camille Flammarion Observatory |
1883 |
Juvisy-sur-Orge, France |
Campbelltown Rotary Observatory |
2000 |
Campbelltown, NSW, Australia |
Campo Imperatore Near-Earth Object Survey |
2001 |
Campo Imperatore, Italy |
Canopus Hill Observatory |
|
Hobart, Tasmania, Australia |
Capilla Peak Observatory |
|
Albuquerque, New Mexico, US |
Capodimonte Observatory |
1812 |
Naples, Italy |
Carter Observatory |
1937 |
Wellington, New Zealand |
Catania Astrophysical Observatory |
|
Catania, Italy |
Cawthron Atkinson Observatory |
1883 |
Nelson, New Zealand |
Celestial Observatory |
|
Russellville, Arkansas, US |
Centennial Observatory |
2004 |
Twin Falls, Idaho, US |
Center for Astrophysics | Harvard & Smithsonian |
1973 |
Cambridge, Massachusetts, US |
Cerro Armazones Observatory |
1995 |
Atacama Desert, Chile |
Cerro Tololo Inter-American Observatory |
1962 |
Atacama Desert, Chile |
Cerro Pachón Observatory |
2000 |
Atacama Desert, Chile |
Chabot Space & Science Center |
1883 |
Oakland, California, US |
Chamberlin Observatory |
1890 |
Denver, Colorado, US |
Changchun Astronomical Observatory |
|
Changchun, Jilin Province, China |
Chandra X-ray Observatory |
1999 |
Highly eccentric Earth orbit |
Chianti Polifunctional Observatory |
2013 |
San Donato in Poggio, Florence, Italy |
Chico Community Observatory |
2001 |
Chico, California, US |
Chilbolton Observatory |
1967 |
Chilbolton, UK |
Cima Ekar Observing Station |
1966 |
Asiago, Italy |
Cincinnati Observatory |
1843 |
Cincinnati, Ohio, US |
City Observatory, Edinburgh |
1818 |
Edinburgh, Scotland, UK |
Clarke Observatory |
1897 / 1923 |
Dunkirk, New York / Alliance, Ohio, US |
Class of 1951 Observatory |
1997 |
Poughkeepsie, New York, US |
Cloudcroft Observatory (defunct) |
1962 |
New Mexico, US |
Coats Observatory |
1883 |
Paisley, Scotland, UK |
Coit Observatory |
|
Boston, Massachusetts, US |
Collins Observatory |
2003 |
Corning, New York, US |
Collm Observatory |
|
Leipzig, Germany |
Colombo University Observatory |
1920s |
Colombo, Sri Lanka |
Compton Gamma-Ray Observatory (defunct) |
1991–2000 |
Low earth orbit |
ÇOMÜ Ulupınar Observatory |
2002 |
Çanakkale, Turkey |
Concordia College Observatory |
|
Moorhead, Minnesota, US |
Consell Observatory |
1987 |
Majorca, Spain |
Copenhagen University Observatory |
1861 |
Copenhagen, Denmark |
Cordell–Lorenz Observatory |
|
Sewanee, Tennessee, US |
COROT |
2006 |
Polar orbit |
Cosmic Background Imager (CBI) (defunct) |
1999 |
Llano de Chajnantor Observatory, Chile |
Côte d'Azur Observatory |
1988 |
France |
Crane Observatory |
|
Topeka, Kansas, US |
Crawford Observatory |
1880 |
Cork, Ireland |
Creighton University Observatory (defunct) |
1886–1955 |
Omaha, Nebraska, US |
Crimean Astrophysical Observatory |
1945 |
Nauchnyj, Crimea |
Črni Vrh Observatory |
1975 |
Idrija, Slovenia |
Cupillari Observatory |
|
La Plume, Pennsylvania, US |
Custer Observatory |
1927 |
Southold, New York, US |
The Cyprus Planetarium & Observatory |
2023 |
Nicosia, Cyprus |
Daniel S. Schanck Observatory (defunct) |
1865 |
Rutgers University, New Brunswick, New Jersey, US |
Daniel Scholl Observatory (defunct) |
1886–1966 |
Lancaster, Pennsylvania, US |
Daocheng Solar Radio Telescope |
2022 |
Daocheng County, Garze Tibetan Autonomous Prefecture, Sichuan Province, China. |
Dark Sky Observatory |
1981 |
Phillips Gap, Wilkes County, North Carolina, US |
Dark Matter Particle Explorer (DAMPE) |
2015 |
500 km LEO |
Darling's Observatory (defunct) |
1917 |
Duluth, Minnesota, US |
Dearborn Observatory |
1889 |
Evanston, Illinois, US |
Detroit Observatory |
1854 |
Ann Arbor, Michigan, US |
David Dunlap Observatory |
1935 |
Richmond Hill, Ontario, Canada |
Dome C |
|
Antarctica |
Dominion Observatory |
1905 |
Ottawa, Ontario, Canada |
Dominion Astrophysical Observatory |
1918 |
Saanich, British Columbia, Canada |
Dominion Radio Astrophysical Observatory |
1960 |
Kaleden, British Columbia, Canada |
Dunsink Observatory |
1785 |
Dublin, Ireland |
Durham University Observatory |
1839 |
Durham, UK |
Dyer Observatory |
1953 |
Brentwood, Tennessee, US |
Effelsberg 100-m Radio Telescope |
1972 |
Bonn, Germany |
Ege University Observatory |
1965 |
Kemalpaşa, İzmir, Turkey |
Einstein Probe |
2024 |
Low Earth orbit |
Einstein Observatory (defunct) |
1978 |
Low Earth orbit |
Elginfield Observatory |
1969 |
Middlesex Centre, Ontario, Canada |
Ellis Observatory |
2004 |
Sterling Hill Mining Museum, Ogdensburg, New Jersey, US |
Embry-Riddle Observatory |
2005 |
Daytona Beach, Florida, US |
Eskdalemuir Observatory |
1908 |
Dumfries and Galloway, Scotland, UK |
European Gravitational Observatory |
2003 |
Cascina , Italy |
Euclid Telescope |
2023 |
Earth–Sun L2 Lagrangian point |
European Southern Observatory
|
1962
- 1969
- 1989
- 2005
- 1998
- 1999
- 2026
|
Atacama Desert, Chile |
Fabra Observatory |
1906 |
Barcelona, Spain |
Fan Mountain Observatory |
1966 |
Albemarle County, Virginia, US |
Five-hundred-meter Aperture Spherical Radio Telescope |
2013 |
Duyun, Pingtang County, Guizhou Province, China |
Félix Aguilar Observatory |
1965 |
San Juan, Argentina |
Fernbank Observatory |
|
Atlanta, Georgia, US |
Fermi Gamma-ray Space Telescope |
2008 |
Orbit |
Fick Observatory |
1966 |
Boone, Iowa, US |
Five College Radio Astronomy Observatory (defunct) |
1976–2011 |
New Salem, Massachusetts, US |
Flarestar Observatory |
|
San Gwann, Malta |
Foggy Bottom Observatory |
1951 |
Hamilton, New York, US |
Foothill Observatory |
|
Los Altos Hills, California, US |
Ford Observatory |
1998 |
Ithaca, New York, US |
Fox Observatory |
|
Sunrise, Florida, US |
Fox Park Public Observatory |
1999 |
Potterville, Michigan, US |
Francis Marion University Observatory |
1982 |
Florence, South Carolina, US |
Fred Lawrence Whipple Observatory |
1968 |
Mount Hopkins, Arizona, US |
Fremont Peak Observatory |
1986 |
San Juan Bautista, California, US |
Frosty Drew Observatory |
1980s |
Charlestown, Rhode Island, US |
Fuertes Observatory |
1917 |
Ithaca, New York, US |
Galaxy Evolution Explorer (GALEX) |
2003 |
Caltech, Jet Propulsion Laboratory, California, US |
Gaocheng Astronomical Observatory |
1276 |
Dengfeng, Henan, China |
Gauribidanur Radio Observatory |
1976 |
Gauribidanur, Karnataka, India |
Gemini Observatory |
1999 |
Southern Operations Center: La Serena, Chile; Northern Operations Center: Hilo, Hawaii, US |
George Observatory |
1989 |
Brazos Bend State Park, near Houston, Texas, US |
Giant Meterwave Radio Telescope (GMRT) |
1995 |
Pune, Maharashtra, India |
Gifford Observatory |
1912 |
Wellington, New Zealand |
Girawali Observatory |
2006 |
Pune, Maharashtra, India |
Glen D. Riley Observatory |
1973 |
Naperville, Illinois, US |
Godlee Observatory |
1902 |
Manchester, England, UK |
Goodsell Observatory |
1887 |
Northfield, Minnesota, US |
Goethe Link Observatory |
1939 |
Brooklyn, Indiana, US |
Goldendale Observatory |
1973 |
Goldendale, Washington, US |
Gornergrat (HFSJG) (defunct) |
1967–2005 |
Gornergrat, Switzerland |
Granat (defunct) |
1989–1999 |
Highly eccentric Earth orbit |
Gran Telescopio Canarias |
2006 |
Canary Islands, Spain |
Grant O. Gale Observatory |
1984 |
Grinnell, Iowa, US |
Green Bank Telescope |
|
Green Bank, West Virginia, US |
Green Point Observatory |
1961 |
Sutherland, New South Wales, Australia |
Grenfell Observatory |
2012 |
Corner Brook, Newfoundland and Labrador, Canada |
Griffith Observatory |
1935 |
Los Angeles, California, US |
Guillermo Haro Observatory |
1972 |
Cananea, Sonora, Mexico |
Gyarah Sidi |
|
Agra, Uttar Pradesh, India |
HALCA (defunct) |
1997–2005 |
Elliptical earth-centered orbit |
Haleakala Observatory |
|
Maui, Hawaii, US |
Halley Observatory |
1987 |
Heesch, Netherlands |
Hamburg Observatory |
1803 |
Hamburg, Germany |
Hat Creek Radio Observatory |
1950s |
Shasta County, California, US |
Hard Labor Creek Observatory |
|
Atlanta, Georgia, US |
Space Hard X-Ray Modulation Telescope (HXMT) |
2017 |
550 km LEO |
Hartung–Boothroyd Observatory |
1974 |
Ithaca, New York, US |
Hartebeesthoek Radio Astronomy Observatory |
1961 |
Gauteng, South Africa |
Hartwell House |
1831 |
Hartwell, Buckinghamshire, UK |
Harvard College Observatory |
1839 |
Cambridge, Massachusetts, US |
Haute-Provence Observatory |
1937 |
Alpes-de-Haute-Provence, France |
Haystack Observatory |
1964 |
Westford, Massachusetts, US |
Hector J Robinson Observatory |
1964 |
Lincoln Park, Michigan, US |
Helium and Lead Observatory |
2012 |
Sudbury, Ontario, Canada |
Helmos Observatory |
2007 |
Mount Helmos, Greece |
Helsinki University Observatory |
1834 |
Helsinki/Kirkkonummi, Finland |
Herrett Observatory |
2004 |
Twin Falls, Idaho, US |
Herschel Space Observatory |
2009 |
Earth–Sun L2 point |
Hidden Valley Observatory |
1960s |
Rapid City, South Dakota, US |
Hida Observatory, Kyoto University |
1968 |
Takayama, Gifu, Japan |
Heyden Observatory, Georgetown University |
1844 |
Washington, D.C., US |
High Altitude Water Cherenkov Observatory |
2015 |
Sierra Negra, Puebla, Mexico |
High Energy Stereoscopic System |
2002 |
Khomas Region, Namibia |
Highland Road Park Observatory |
1997 |
Baton Rouge, Louisiana, US |
Hinode |
2006 |
Low Earth orbit |
Hirsch Observatory |
1942 |
Troy, New York, US |
Hobbs Observatory |
1974 |
Fall Creek, Wisconsin, US |
Hoher List Observatory |
1954 |
Daun, Germany |
Holcomb Observatory and Planetarium |
1954 |
Indianapolis, Indiana, US |
Hong Kong Observatory |
1883 |
Tsim Sha Tsui, Kowloon, Hong Kong |
Hoober Observatory |
1993 |
Rotherham, UK |
Hopkins Observatory |
1838 |
Williamstown, Massachusetts, US |
Howell Observatory |
|
Starkville, Mississippi, US |
Hradec Králové Observatory |
1961 |
Hradec Králové, Czech Republic |
Huairou Solar Observing Station |
|
Beijing, China |
Hubble Space Telescope |
1990 |
Low Earth orbit |
Huggins Observatory defunct |
1856 |
London, England, UK |
Hume Cronyn Memorial Observatory |
1940 |
London, Ontario, Canada |
Hyde Memorial Observatory |
1977 |
Lincoln, Nebraska, US |
IceCube Neutrino Observatory |
2010 |
Amundsen–Scott South Pole Station |
Indian Astronomical Observatory |
2001 |
Hanle, Ladakh, India |
Insperity Observatory |
2008 |
Humble, Texas, US |
Instituto de Astrofísica de Canarias |
1975 |
Canary Islands, Spain |
INTEGRAL |
2002 |
Highly eccentric Earth orbit |
Infrared Astronomical Satellite (IRAS) (defunct) |
January–November 1983 |
Earth orbit |
Infrared Space Observatory (ISO) (defunct) |
1995–1998 |
Earth orbit |
Innsbruck Observatory |
|
Innsbruck, Austria |
IRAM 30m telescope |
1984 |
Pico Veleta, Spain |
IRAM Plateau de Bure Interferometer |
1988 |
Gap, Hautes-Alpes, France |
Iranian National Observatory |
2017 |
Mount Gargash, Iran |
Isaac Newton Group of Telescopes |
1979 |
La Palma, Spain |
Isasc Roberts' Observatory (defunct) |
1890 |
Crowborough, UK |
Iso-Heikkilä Observatory (defunct) |
1935 (only amateur use since 1972) |
Turku, Finland |
Constantinople Observatory of Taqi ad-Din |
1577 |
Constantinople, Turkey |
Istanbul University Observatory |
1936 |
Istanbul, Turkey |
Istituto Ricerche Solari Locarno, IRSOL |
1960 |
Locarno, Switzerland |
IXPE |
2021 |
Earth orbit |
Jack C. Davis Observatory |
2002 |
Carson City, Nevada, US |
Astronomical Observatory of the Jagiellonian University |
1792 |
Kraków, Poland |
James Clerk Maxwell Telescope |
1987 |
Mauna Kea, Hawaii, US |
James Gregory Telescope |
1962 |
St. Andrews, UK |
James Webb Space Telescope |
2021 |
Earth–Sun L2 Lagrangian point |
James Wylie Shepherd Observatory |
2009 |
Montevallo, Alabama, US |
Jakarta Observatory |
1968 |
Jakarta, Indonesia |
Jantar Mantar |
1727 |
Jaipur, Rajasthan, India |
Jena Observatory |
1962 |
Jena, Germany |
Jewett Observatory |
1953 |
Pullman, Washington, US |
Jodrell Bank Observatory |
1945 |
Cheshire, England, UK |
JAC Johor Astronomy |
2014 |
Johor, Malaysia |
Jones Observatory |
1936 |
Chattanooga, Tennessee, US |
Judson B. Coit Observatory |
|
Boston, Massachusetts, US |
KAIRA |
2011 |
Kilpisjarvi, Finland |
Khajeh Nasiredin Observatory |
~1980 |
Tabriz University, Tabriz, Iran |
Kamioka Observatory |
1983 |
Hida, Gifu, Japan |
Kanzelhoehe Solar Observatory |
1943 |
Villach, Austria |
Karl Schwarzschild Observatory |
1960 |
Jena, Germany |
Keck Observatory |
1993 |
Mauna Kea, Hawaii, US |
Keeble Observatory |
1963 |
Ashland, Virginia, US |
Keele Observatory |
1962 |
Keele University, England, UK |
Kennon Observatory |
1939 |
Oxford, Mississippi, US |
Kepler Space Observatory |
2009 |
Earth-trailing heliocentric orbit |
Kevola Observatory |
1963 |
Kevola, Finland |
Kielder Observatory |
2008 |
Kielder Forest, Northumberland, England, UK |
King's Observatory (defunct) |
1769 |
Greater London, England, UK |
Kirkwood Observatory |
1901 |
Bloomington, Indiana, US |
Kitami Observatory |
|
Hokkaidō, Japan |
Kitt Peak National Observatory |
1958 |
Tucson, Arizona, US |
Kleť Observatory |
1957 |
České Budějovice, Czech Republic |
Kodaikanal Solar Observatory |
1899 |
Palani, Tamil Nadu, India |
Konkoly Observatory |
1871 |
Budapest, Hungary |
Kopernik Observatory & Science Center |
1974 |
Vestal, New York, US |
KOSMA observatory |
1985–2010 |
Gornergrat, Switzerland |
Kottamia Astronomical Observatory |
1964 |
Egypt |
Kuffner observatory |
1884 |
Austria |
Kuiper Airborne Observatory (retired) |
1974 |
14 km in the stratosphere |
Kwasan Observatory, Kyoto University |
1929 |
Kyoto, Japan |
Kvistaberg Observatory |
|
Sweden |
Kyung Hee Observatory |
1992 |
Seoul, South Korea |
Laboratoire d'Astrophysique de Grenoble |
2001 |
Grenoble, France |
Observatorio de La Cañada (La Cañada Observatory) |
2002 |
Ávila, Spain |
Ladd Observatory |
1891 |
Providence, Rhode Island, US |
Lake Afton Public Observatory |
1979 |
Wichita, Kansas, US |
Lamont–Hussey Observatory (defunct) |
1928 |
Bloemfontein, South Africa |
Landessternwarte Heidelberg-Königstuhl |
1898 |
Königstuhl, Heidelberg, Germany |
Landolt Astronomical Observatory |
1939[2] |
Baton Rouge, Louisiana, US |
La Plata Astronomical Observatory |
1883 |
La Plata, Argentina |
La Silla Observatory |
1969 |
Atacama Desert, Chile |
Large High Altitude Air Shower Observatory (LHAASO) |
2019 |
Daocheng County, Sichuan, China |
Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) |
2009 |
Xinglong Station, Hebei, China |
Large Millimeter Telescope |
|
Sierra Negra, Puebla, Mexico |
Las Brisas Observatory |
1979 |
Colorado, US |
Las Campanas Observatory |
|
La Serena, Chile |
Las Cumbres Observatory Global Telescope |
2005 |
Global network |
Laws Observatory |
1880 |
Columbia, Missouri, US |
Leander McCormick Observatory |
1885 |
Mount Jefferson, Charlottesville, Virginia, US |
Lee Observatory |
1873 |
American University of Beirut, Beirut, Lebanon |
Leiden Observatory |
1633 |
Leiden University, Leiden, Netherlands |
Leipzig Observatory |
|
Leipzig, Germany |
Leoncito Astronomical Complex |
1986 |
Calingasta, San Juan, Argentina |
Levenhagen Observatory |
|
Seattle, Washington, US |
Lick Observatory |
1881 |
Mount Hamilton, San Jose, California, US |
LightBuckets (commercial observatory) |
2007 |
Rodeo, New Mexico, US |
LIGO |
1999 |
Hanford Site, Washington, US & Livingston, Louisiana, US, US |
Lindheimer Astrophysical Research Center (defunct) |
1966–1995 |
Evanston, Illinois, US |
Llano de Chajnantor Observatory |
2005 |
Atacama Desert, Chile |
Llano del Hato National Astronomical Observatory |
1975 |
Mérida, Venezuela |
Lockyer Technology Centre |
2010 |
Sidmouth, Devon, England |
Long Wavelength Array |
2010 |
Socorro, New Mexico, US |
Longa Vista Observatory |
2010 |
Itatiba, SP, Brazil |
Lowell Observatory
|
1894
|
Flagstaff, Arizona, US |
Lucknow (King of Oudh's) Observatory |
1832–1848 |
Lucknow, India |
Lulin Observatory |
1999 |
Mount Lulin, Taiwan |
Lund Observatory |
1749 |
Lund, Sweden |
Luoxue Mountain Cosmic Rays Research Center |
1953 |
Luoxue Mountain, Yunnan Province, China |
Lyon Observatory |
1878 |
Saint-Genis-Laval, France |
Macalester College Observatory |
|
Saint Paul, Minnesota, US |
Macfarlane Observatory defunct |
1757 |
Glasgow, Scotland, UK |
Magdalena Ridge Observatory (under construction) |
2006 |
Socorro County, New Mexico, US |
Majorca Observatory |
1991 |
Majorca, Spain |
Malakoff Tower |
1845 |
Recife, Brazil |
Manastash Ridge Observatory |
1972 |
Ellensburg, Washington, US |
Manuel Foster Observatory (defunct) |
1903 |
Santiago, Chile |
Maragheh Observatory |
1259 |
Maragheh, Iran |
Margaret M. Jacoby Observatory |
1978 |
Warwick, Rhode Island, US |
Maria Mitchell Observatory |
1908 |
Nantucket, Massachusetts, US |
Marina Towers Observatory (Not In Use) |
1989 |
Maritime Quarter, Swansea, Wales, UK |
Markree Observatory (defunct) |
1837 |
County Sligo, Ireland |
Marseille Observatory |
|
Marseille, France |
Martz Observatory |
|
Chautauqua County, New York, US |
Mauna Kea Observatory |
1967 |
Mauna Kea, Hawaii, US |
Mauna Loa Solar Observatory |
|
Hawaii, US |
Maynard F. Jordan Observatory |
1901 |
Orono, Maine, US |
McDonald Observatory |
|
Davis Mountains, Texas, US |
McKim Observatory |
1884 |
Greencastle, Indiana, US |
McMath–Hulbert Solar Observatory |
1930 |
Lake Angelus, Michigan, US |
MDM Observatory |
|
Kitt Peak, Arizona, US |
Mead Observatory |
2001 |
Columbus, Georgia, US |
Medicina Radio Observatory |
1965 |
Medicina, Bologna, Italy |
Mees Observatory |
|
Rochester, New York, US |
Mehalso Observatory |
|
Erie, Pennsylvania, US |
Melbourne Observatory |
1862 |
Melbourne, Victoria, Australia |
Melton Memorial Observatory |
1928 |
Columbia, South Carolina, US |
Mendenhall Observatory |
2002 |
Stillwater, Oklahoma, US |
Menke Observatory |
1994 |
Davenport, Iowa, US |
Metsähovi Observatory |
1966 |
Kirkkonummi, Finland |
Meudon Observatory |
1876 |
Meudon, France |
Meyer–Womble Observatory |
1996 |
Mount Evans, Colorado, US |
Michigan State University Observatory |
1969 |
East Lansing, Michigan, US |
Observatoire Midi-Pyrénées
|
|
Headquarters: Toulouse, France
|
Milagro |
1999 |
Los Alamos, New Mexico, Mexico |
Miller Observatory |
1976 |
Maiden, North Carolina, US |
Mills Observatory |
1938 |
Dundee, Scotland, UK |
Mind's Eye Observatory IAU W42 |
2018 |
Sebastian, Florida, US |
MMT Observatory |
1979 |
Mount Hopkins, Arizona, US |
Modine-Benstead Observatory |
1963 |
Union Grove, Wisconsin, US |
Modra Observatory |
1988 |
Modra, Slovakia |
Mohr Observatory (demolished) |
1765–1780 |
Jakarta, Indonesia |
Moletai Astronomical Observatory |
1969 |
Moletai, Lithuania |
Molonglo Observatory Synthesis Telescope (MOST) |
1960 |
Bungendore, New South Wales, Australia |
Mont Mégantic Observatory |
1978 |
Mont Mégantic, Québec, Canada |
Monterey Institute for Research in Astronomy (Oliver Observing Station) |
1972 (1984) |
Chews Ridge, California & Monterey, California, US |
Montevideo National Observatory |
|
Montevideo, Uruguay, 34°54.6′S 56°12.8′W |
Moore Observatory |
1978 |
Oldham County, Kentucky, US |
Morgan–Monroe Observatory |
1966 |
Morgan–Monroe State Forest, Indiana, US |
Morris Observatory |
1973 |
North Manchester, Indiana, US |
Morrison Observatory |
|
Fayette, Missouri, US |
Moscow Cosmic-Ray Station |
|
Troitsk, Russia |
Mount Stony Brook Observatory |
1968 |
Stony Brook, New York, US |
Mounds Observatory |
|
Tulsa, Oklahoma, US |
Mount Abu InfraRed Observatory |
1995 |
Mount Abu, Rajasthan, India |
Mount Burnett Observatory |
1972 |
Mount Burnett, Victoria, Australia |
Mount Cuba Astronomical Observatory |
|
Greenville, Delaware, US |
Mount Graham International Observatory |
1993 |
Mount Graham, Arizona, US |
Mount John University Observatory |
1965 |
Lake Tekapo, South Island, New Zealand |
Mount Laguna Observatory |
1968 |
San Diego, California, US |
Mount Lemmon Observatory |
|
Tucson, Arizona, US |
Mount Pleasant Radio Observatory |
|
Tasmania, Australia |
Mount Stromlo Observatory |
1911 |
Canberra, Australia |
Mount Suhora Observatory |
1987 |
Poland |
Mount Wilson Observatory |
1904 |
Mount Wilson, Los Angeles County, California, US |
Mountain Skies Observatory |
1997 |
Lyman, Wyoming, US |
Mullard Radio Astronomy Observatory |
1957 |
Cambridge, England, UK |
Murchison Radio-astronomy Observatory |
2012 |
Murchison, Western Australia, Australia |
Nachi-Katsuura Observatory |
|
Nachikatsuura, Wakayama, Japan |
Nançay Radio Telescope |
1965 |
Nançay, France |
Nanjing Astronomical Instruments Research Centre |
1958 |
Nanjing, Jiangsu Province, China |
National Astronomical Observatory (Colombia) |
1803 |
Bogotá, Colombia |
National Astronomical Observatory of Japan |
1988 |
Headquarters: Mitaka, Tokyo, Japan |
National Astronomical Observatory (Mexico) |
1967 |
Sierra San Pedro Mártir, Baja California, Mexico |
National Observatory (Brazil) |
1827 |
Rio de Janeiro, Brazil |
National Observatory of Athens |
1842 |
Athens, Greece |
National Optical Astronomy Observatory
|
1982 |
Headquarters: Tucson, Arizona, US |
National Optical Observatory |
|
Turkey |
National Radio Astronomy Observatory
|
1957 |
Headquarters: Charlottesville, Virginia, US |
National Research Institute of Astronomy and Geophysics (NRIAG) |
1903 |
Helwan, Egypt |
National Solar Observatory |
1952 |
Sunspot, New Mexico, US & Kitt Peak, Arizona, US |
Naval Research Lab. Radio Sta. |
|
Sugar Grove, West Virginia, US 38°31.2′N 79°16.4′W |
Naylor Observatory |
1971 |
Harrisburg, Pennsylvania, US |
Neuchâtel Observatory |
1858 |
Neuchâtel, Switzerland |
Nice Observatory |
1879 |
Nice, France |
Nizamia Observatory |
1907 |
Hyderabad, India |
Nordic Optical Telescope |
1988 |
Canary Islands, Spain |
Norilsk Cosmic-Ray Station |
|
Norilsk, Krasnoyarsk Krai, Russia |
Norman Lockyer Observatory |
1912 |
Sidmouth, UK |
Northern Arizona University Observatory |
|
Flagstaff, Arizona, US |
Northern Skies Observatory |
2009 |
Peacham, Vermont, US |
Northolt Branch Observatory |
2015 |
London, England, UK |
Northolt Branch Observatory 2, Shepherd's Bush |
2016 |
London, England, UK |
Northolt Branch Observatory 3, Blandford Forum |
2017 |
London, England, UK |
North Georgia Astronomical Observatory |
|
Dahlonega, Georgia, US |
North Otago Astronomical Society Observatory |
|
Oamaru, South Island, New Zealand |
Nyrölä Observatory |
1997 |
Jyväskylän maalaiskunta, Western Finland Province, Finland |
OAC (Observatorio Astronómico de Córdoba) |
1871 |
Córdoba, Argentina |
OAO (Observatorio de Aras de los Olmos) |
2008 |
Aras de los Olmos, Valencia, Spain |
O'Brien Observatory |
1961 |
Marine on St. Croix, Minnesota, US |
Observatoire du Pic de Château-Renard |
1974 |
Saint-Véran, France |
Observatorio Astronómico Nacional (Colombia) |
1803 |
Bogotá, Colombia |
Observatorio Astronomico Nacional Tonantzintla |
1961 |
Tonantzintla, Mexico |
Observatorio Solar Carl Sagan |
2000 |
Hermosillo, Sonora, Mexico |
Observatory House (defunct) |
1789 |
Slough, UK |
Observatory of the rue Serpente (defunct) |
1890–1968 |
Paris, France |
Oil Region Astronomical Observatory |
|
Venango County, Pennsylvania, US |
Onan Observatory |
1990 |
Norwood Young America, Minnesota, US |
Ondokuz Mayıs University Observatory |
2006 |
Samsun, Turkey |
Ondřejov Observatory |
1898 |
Ondřejov, Czech Republic |
Onsala Space Observatory |
1949 |
Onsala, Sweden |
Ooty Radio Telescope |
1970 |
Ooty, Tamil Nadu, India |
Orchard Hill Observatory |
1965 |
Amherst, Massachusetts, US |
Orioloromano Observatory |
2007 |
Oriolo Romano, Italy |
Orion 1 (defunct) |
1971 |
Low Earth orbit |
Orion 2 (defunct) |
1973 |
Low Earth orbit |
Orion Ranch Observatory |
2009 |
Bertram, Texas, US |
Orwell Park School Observatory |
1848 |
Nacton, UK |
Ostrowik Observatory |
1952 |
Ostrowik, Poland |
Otter Creek Observatory |
1995 |
Meade County, Kentucky, US |
Oulu Cosmic-Ray Station |
|
Oulu, Finland |
Owens Valley Radio Observatory |
1958 |
Bishop, California, US |
Pachmarhi Array of Cerenkov Telescopes (PACT) |
1986 |
Pachmarhi, Madhya Pradesh, India |
Palisades-Dows Observatory |
1987 |
Cedar Rapids, Iowa, US |
PAGASA Astronomical Observatory |
1954 |
Quezon City, Philippines |
Palermo Observatory |
1790 |
Palermo, Sicily, Italy |
Palomar Observatory |
1948 |
Palomar Mountain, California, US |
Panzano Observatory |
1640 |
Bologna, Italy |
Paranal Observatory |
1999 |
Cerro Paranal, Atacama desert, Chile |
Paris Observatory |
1667 |
Paris, France |
Parkes Observatory |
1961 |
Parkes, Australia |
Paul Robinson Observatory |
1965 |
High Bridge, New Jersey, US |
Peach Mountain Observatory |
1950 |
Dexter, Michigan, US |
Perkins Observatory |
1931 |
Delaware, Ohio, US |
Perth Observatory |
1896 |
Perth, Australia |
Peterberg Observatory |
1977 |
Saarland, Germany |
Pic du Midi Observatory |
1878 |
Pic du Midi, Pyrenees, France |
Pico dos Dias Observatory |
1981 |
Minas Gerais, Brazil |
Piera Observatory |
1968 |
Barcelona, Spain |
Pierre Auger Observatory |
2004 |
Malargüe, Argentina |
Pine Bluff Observatory |
1958 |
Cross Plains, Wisconsin, US |
Pine Mountain Observatory |
1965 |
Bend, Oregon, US |
Pistoia Mountains Astronomical Observatory |
1990 |
Pian dei Termini (near San Marcello Pistoiese), Italy |
Piwnice Ovservatory |
1945 |
Piwnice near Toruń, Poland |
Planetarium and Astronomical Observatory in Grudziądz |
1972 |
Grudziądz, Kujawsko-Pomorskie, Poland |
Pollock Astronomical Observatory |
2004 |
Hunting Valley, Ohio, US |
Portage Lake Observatory (defunct) |
1948 |
Dexter, Michigan, US |
Poznań Observatory |
1919 |
Poznań, Poland |
Prishtina Observatory |
1997 |
Pristina Municipality, Kosovo |
Puckett Observatory |
1977 |
Ellijay, Georgia, US |
Pula Observatory |
1869 |
Pula, Croatia |
Pulkovo Observatory |
1839 |
Pulkovskiye Heights, Russia |
Purple Mountain Observatory |
1929 |
Nanjing, Jiangsu Province, China |
Queqiao |
2018 |
Earth-Moon L2 |
Queqiao-2 |
2024 |
Lunar orbit |
Quito Astronomical Observatory |
1873 |
La Alameda Park, Quito, Ecuador |
Radcliffe Observatory |
1772 |
Oxford, England. Moved to Durban, South Africa in 1939 |
Rainwater Observatory |
|
French Camp, Mississippi, US |
Ralph A. Worley Observatory |
1964 |
Shreveport, Louisiana, US |
Rankin Science Observatory |
1963 |
Appalachian State University, Boone, North Carolina, US |
Rancho Mirage Library and Observatory |
2018 |
Rancho Mirage, California, US |
Rattlesnake Mountain Observatory (defunct) |
1971 |
Hanford Reach National Monument, Washington, US |
Real Instituto y Observatorio de la Armada (Spain) |
1793 |
San Fernando, Cádiz, Spain |
Red Barn Observatory |
2006 |
Ty Ty, Georgia, US |
Red Buttes Observatory |
1994 |
Laramie, Wyoming, US |
Riley Observatory |
1974 |
Naperville, Illinois, US |
RIT Observatory |
|
Rochester, New York, US |
Ritter Observatory |
|
Toledo, Ohio, US |
Robert A. Schommer Observatory |
|
Rutgers University, New Brunswick, New Jersey, US |
Robert Brownlee Observatory |
|
Lake Arrowhead, California, US |
Robinson Observatory |
|
Orlando, Florida, US |
Robotic Lunar Observatory (defunct) |
1995 |
Flagstaff, Arizona, US |
Roger Twitchell Observatory[3] |
1972 |
Paris, Maine, US |
Rogers Observatory |
1981 |
Traverse City, Michigan, US |
Rolnick Observatory |
|
Westport, Connecticut, US |
Rome Observatory |
|
Italy |
Roseland Observatory |
1998 |
St Stephen-in-Brannel, UK |
Rossall School Observatory |
|
Rossall, UK |
Rothney Astrophysical Observatory |
1984 |
Priddis, Alberta, Canada |
Royal Observatory, Greenwich |
1675 |
Greenwich, England, UK |
Royal Observatory, Edinburgh |
1896 |
Edinburgh, Scotland, UK |
Roque de los Muchachos Observatory |
1979 (officially inaugurated in 1985) |
La Palma, Canary Islands, Spain. |
Rosemary Hill Observatory |
|
Bronson, Florida, US |
Rozhen Observatory |
1981 |
Peak Rozhen, Bulgaria. |
Rutherford Observatory |
1920s |
New York City, New York, US |
San Fernando Observatory (SFO) |
1976 |
Sylmar, California, US |
Sankt Andreasberg Observatory |
2014 |
Sankt Andreasberg, Germany |
Sayan Spectrographic Cosmic Ray Complex |
|
Irkutsk, Russia |
SFA Observatory |
1976 |
Nacogdoches, Texas, US |
Sagamore Hill Radio Observatory |
1963 |
Hamilton, Massachusetts, US |
Shattuck Observatory |
1854 |
Hanover, New Hampshire, US |
Sherwood Observatory |
1972 |
Mansfield, UK |
Seven Hills Observatory |
1996 |
Kearney, Nebraska, US |
Shamakhi Astrophysical Observatory |
1958 |
Shamakhi, Azerbaijan |
Shanghai Astronomical Observatory |
1962 |
Shanghai, China |
Sherzer Observatory |
1878 |
Ypsilanti, Michigan, US |
Sheshan Astronomical Observatory |
1900 |
Shanghai, China |
Siding Spring Observatory |
1924 |
Siding Spring, New South Wales, Australia |
Sidmouth Observatory |
1912 |
Sidmouth, Devon, England, UK |
Sierra Nevada Observatory |
1981 |
Sierra Nevada, Spain |
Silesian Planetarium and Astronomical Observatory |
1955 |
Chorzów / Katowice, Silesia, Poland |
Simeiz Observatory |
1906 |
Simeiz, Crimea, Ukraine |
Skalnaté Pleso Observatory |
1953 |
Vysoké Tatry, Slovakia |
Skinakas Observatory |
1984 |
Crete, Greece |
Skylab |
1973 |
low Earth orbit; re-entered in 1979 |
Smith Observatory |
1880s |
Beloit, Wisconsin, US |
Smithsonian Astrophysical Observatory |
1890 |
Cambridge, Massachusetts, US |
Sobaeksan Optical Astronomy Observatory |
1978 |
Sobaeksan, South Korea |
Sola Fide Observatory |
1990s |
Austin, Minnesota, US |
Solar and Heliospheric Observatory (SOHO) |
1996 |
Earth–Sun L1 point |
Solar Space Telescope |
2009 |
709 km SSO; life: 3 years |
Sommers–Bausch Observatory |
1949 |
Boulder, Colorado, US |
Sonnenborgh Observatory |
1853 |
Utrecht, Netherlands |
Sonoma State Observatory |
1976 |
Rohnert Park, California, US |
South African Astronomical Observatory
|
|
Observatory, Cape Town, South Africa
|
Southern Astrophysical Research Telescope (SOAR) |
2004 |
Cerro Pachón, Chile |
South Pole Telescope |
2007 |
Antarctica |
Spanish National Observatory |
1790 |
(Spain) |
Special Astrophysical Observatory of the Russian Academy of Sciences |
1966 |
Zelenchukskaya, near Arkhyz, Caucasus Mountains, Russia |
Sperry Observatory |
1967 |
Cranford, New Jersey, US |
Spitzer Space Telescope |
2003 |
Heliocentric orbit |
Springfield Observatory |
1968 |
Springfield, Massachusetts, US |
Sproul Observatory |
1911 |
Swarthmore, Pennsylvania, US |
Stardome Observatory |
1967 |
Auckland, North Island, New Zealand |
Starkenburg Observatory |
1970 |
Heppenheim, Germany |
Štefánik's Observatory |
1928 |
Prague, Czech Republic |
Stellafane Observatory |
1920 |
Springfield, Vermont, US |
Stellar Vista Observatory |
2019 |
Kanab, Utah, US |
Stephens Memorial Observatory |
1901 |
Hiram, Ohio, US |
Steward Observatory
|
1916 |
Tucson, Arizona, US |
Stickney Observatory[4] |
1950s |
Bennington, Vermont, US |
Stjerneborg |
1581 |
Hven, Sweden |
Stockholm Observatory |
1749 |
Stockholm, Sweden |
Stokesville Observatory |
1970s |
Virginia, US |
Stone Observatory |
1853 |
Stone, Buckinghamshire, UK |
Stonyhurst Observatory |
1838 |
Lancashire, England |
Strasbourg Observatory |
1881 |
Strasbourg, France |
Stratospheric Observatory for Infrared Astronomy |
2006 |
14 km in the stratosphere |
Stull Observatory |
1966 |
Alfred, New York, US |
Stuttgart Observatory |
1920 |
Stuttgart, Germany |
Submillimeter Array |
1987 |
Mauna Kea, Hawaii, US |
St. Thomas Observatory |
2009 |
Saint Paul, Minnesota, US |
Sudbury Neutrino Observatory |
1999 |
Sudbury, Ontario, Canada |
Sunriver Observatory |
1990 |
Sunriver, Oregon, US |
Swift Gamma-Ray Burst Mission |
2004 |
Low Earth orbit |
Swiss Observatory Polychron and Astronomy |
2019 |
Geneva, Switzerland |
Sydney Observatory |
1858 |
Sydney, Australia |
Table Mountain Observatory |
|
Angeles National Forest, Wrightwood, California, US |
Tacubaya Observatory |
1882 |
Tacubaya, Mexico City, Mexico |
Taeduk Radio Astronomy Observatory |
1986 |
Taejon, South Korea |
Tamke-Allan Observatory |
1998 |
Roane County, Tennessee, US |
Tartu Observatory |
1964 |
Tartumaa, Estonia |
Teide Observatory |
1964 |
Tenerife, Canary Islands, Spain |
Ten Acre Observatory |
|
Tribbey, Oklahoma, US |
Terskol Peak Observatory |
1989 |
Terskol, Kabardino-Balkaria, Russia |
Thai National Observatory |
2013 |
Doi Inthanon, Chiang Mai, Thailand |
The Dam Observatory |
2017 |
Lake Tschida, North Dakota, US |
The Heights Observatory |
1989 |
The Heights School, South Australia, Australia |
Texas A&M Astronomical Observatory |
|
College Station, Texas, US |
Theodore Jacobsen Observatory |
1895 |
Seattle, Washington, US |
Thompson Observatory |
1968 |
Beloit, Wisconsin, US |
Tien Shan Astronomical Observatory |
|
Almaty, Kazakhstan |
Tuorla Observatory |
1952 |
Piikkiö, Finland |
Trieste Observatory |
|
Trieste, Italy |
Troodos Observatory |
2023 |
Agridia, Troodos Mountains, Cyprus |
Trottier Observatory |
2015 |
Simon Fraser University, Burnaby, Canada |
Turin Observatory |
1759 |
Pino Torinese, Italy |
Udaipur Solar Observatory |
|
Udaipur, Rajasthan, India |
Ukrainian T-shaped Radio telescope, second modification |
1972 |
Shevchenkove, Ukraine |
Ulugh Beg Observatory |
1420s |
Samarkand, Uzbekistan |
University of Alabama Observatory |
1950 |
Tuscaloosa, Alabama, US |
University of Alabama Observatory (Old) |
1849–1890s |
Tuscaloosa, Alabama, US |
University of North Alabama Observatory |
|
Florence, Alabama, US |
University of Illinois Astronomical Observatory |
1896 |
Urbana, Illinois, US |
University of London Observatory |
1929 |
London, England, UK |
University of Maryland Observatory |
|
College Park, Maryland, US |
University of Michigan-Dearborn Observatory |
2007 |
Dearborn, Michigan, US |
University of New Hampshire Observatory |
1985 |
Durham, New Hampshire, US |
University of Oklahoma Observatory |
|
Norman, Oklahoma, US |
University of Puerto Rico at Humacao Observatory[5] |
1985 |
Humacao, Puerto Rico, US |
University of Valencia Astronomical Observatory |
1909 |
Valencia, Spain |
Uppsala Astronomical Observatory |
1741 |
Uppsala, Sweden |
Urania (Antwerp) |
|
Hove, Belgium |
Urania (Berlin) |
|
Berlin, Germany |
Urania (Vienna) |
1909 |
Vienna, Austria |
Urania Observatory (Zürich) |
1907 |
Zürich, Switzerland |
Uraniborg |
1572–1597 (demolished) |
Hven, Sweden |
Urumqi Astronomical Observatory |
1957 |
Urumqi, Xinjiang, China |
U.S. Naval Observatory (USNO)[6]
|
1844
|
Washington, D.C., US
|
Valongo Observatory |
1881 |
Rio de Janeiro, Brazil |
Vainu Bappu Observatory |
1968 |
Kavalur, Tamil Nadu, India |
Astronomical observatory of Aosta Valley |
2003 |
Nus, Aosta Valley, Italy |
Van Vleck Observatory |
1914 |
Middletown, Connecticut, US |
Vanderbilt University Observatory |
|
Nashville, Tennessee, US |
Vartiovuori Observatory (defunct) |
1819–1834 |
Turku, Finland |
Vassar College Observatory (defunct) |
1865 |
Poughkeepsie, New York, US |
Vatican Observatory
|
1891
|
Headquarters: Castel Gandolfo, Italy
|
Veen Observatory |
1970 |
Lowell, Michigan, US |
Vega–Bray Observatory |
1990 |
Benson, Arizona, US |
Ventspils Starptautiskais Radioastronomijas Centrs |
|
Irbene, Latvia |
Vernonia Peak Observatory |
|
Vernonia, Oregon, US |
Very Large Array |
1980 |
Socorro, New Mexico, US |
Very Long Baseline Array |
1993 |
Various locations |
Vienna Observatory |
1753 |
Vienna, Austria |
Vilnius University Observatory |
1753 |
Vilnius University, Lithuania |
Višnjan Observatory |
1978 |
Višnjan, Croatia |
Vsetín Observatory |
1950 |
Vsetín, Czech Republic |
Warkworth Radio Observatory |
2008 |
Warkworth, New Zealand |
Warner Observatory (defunct) |
1882 |
Rochester, New York, US |
Warner and Swasey Observatory |
1919 |
Cleveland, Ohio, US |
Warren Rupp Observatory |
1985 |
Mansfield, Ohio, US |
Warsaw University Observatory |
1825 |
Warsaw, Poland |
Washburn Observatory |
1881 |
Madison, Wisconsin, US |
Wast Hills Observatory |
1982 |
Birmingham, England, UK |
Weaver Student Observatory |
1998 |
Monterey, California, US |
Weitkamp Observatory |
1955 |
Westerville, Ohio, US |
West Mountain Observatory |
1981 |
West Mountain, Utah, US |
Whakatane Astronomical Society |
1964 |
Whakatane, New Zealand |
Whitin Observatory |
1901 |
Wellesley, Massachusetts, US |
Widener University Observatory |
2004 |
Chester, Pennsylvania, US |
Wilder Observatory |
1903 |
Amherst, Massachusetts, US |
Willard L. Eccles Observatory |
2009 |
Frisco Peak, Utah, US |
William Brydone Jack Observatory |
1851 |
Fredericton, New Brunswick, Canada |
Williams Observatory |
1990 |
Boiling Springs, North Carolina, US |
Winer Observatory |
1983 |
Sonoita, Arizona, US |
Winfree Observatory |
1900 |
Lynchburg, Virginia, US |
Wise Observatory |
1971 |
Negev, Israel |
Witte Observatory |
1984 |
Mediapolis, Iowa, US |
WIYN Observatory |
1994 |
Kitt Peak, Arizona, US |
Wyoming Infrared Observatory |
1975 |
Laramie, Wyoming, US |
Xiangfen Astronomical Observatory |
2100 BCE |
Xiangfen County, Linfen, Shanxi Province, China |
Xinglong Station (NAOC) |
|
Xinglong County, Chengde, Hebei province, China[7] |
Xinjiang Astronomical Observatory |
1968 |
Urumqi, Xinjiang, China |
XMM-Newton |
1999 |
Highly eccentric Earth orbit |
XRISM |
2023 |
Earth orbit |
XPoSat |
2024 |
Earth orbit |
Xujiahui Astronomical Observatory |
1872 |
Shanghai, China |
Arctic Space Weather Center |
|
Yakutsk, Russia |
Yale Student Observatory |
|
New Haven, Connecticut, US |
Yangbajing International Cosmic-Ray Observatory |
|
Yangbajing Valley, Tibet, China |
Yantra Mandir |
1724 |
New Delhi, Delhi, India |
Yerevan Cosmic-Ray Station |
|
Yerevan, Armenia |
Yerkes Observatory |
1897 |
Williams Bay, Wisconsin, US |
York University Observatory |
|
Toronto, Ontario, Canada |
Yuba City Astronomical Observatory |
2010 |
Yuba City, California, US |
Yunnan Astronomical Observatory |
1957 |
Kunming, Yunnan, China |
Zimmerwald Observatory |
1956 |
Zimmerwald, Switzerland |
Zadko Observatory |
2009 |
Gingin, Australia |