Cerro Tololo Inter-American Observatory Name Established Location 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 Mauna Kea, Hawaii, USA Canopus Hill Observatory Hobart, Tasmania, Australia Capilla Peak Observatory Albuquerque, New Mexico, USA Capodimonte Observatory 1812 Naples, Italy Carter Observatory 1937 Wellington, New Zealand Catania Astrophysical Observatory Catania, Italy Celestial Observatory Russellville, Arkansas, USA Centennial Observatory 2004 Twin Falls, Idaho, USA 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, USA Chamberlin Observatory 1890 Denver, Colorado, USA 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 Chico, California, USA Cincinnati Observatory 1843 Cincinnati, Ohio, USA City Observatory, Edinburgh 1818 Edinburgh, Scotland Clarke Observatory 1897 / 1923 Dunkirk, New York / Alliance, Ohio, USA Cloudcroft Observatory (defunct) 1962 New Mexico, USA Coats Observatory 1883 Paisley, Scotland Coit Observatory Boston, Massachusetts, USA Collins Observatory 2003 Corning, New York, USA Collm Observatory Leipzig, Germany Colombo University Observatory 1920s Colombo, Sri Lanka Compton Gamma-Ray Observatory (defunct) 1991-2000 Low earth orbit Concordia College Observatory Moorhead, Minnesota, USA Consell Observatory 1987 Majorca, Spain Copenhagen University Observatory 1861 Copenhagen, Denmark Cordell-Lorenz Observatory Sewanee, Tennessee, USA COROT 2006 Polar orbit Cosmic Background Imager (CBI) 1999 Llano de Chajnantor Observatory, Chile Côte d'Azur Observatory 1988 France Crane Observatory Topeka, Kansas, USA Crawford Observatory 1880 Cork, Ireland Creighton University Observatory (defunct) 1886-1955 Omaha, Nebraska, USA Crimean Astrophysical Observatory 1945 Ukraine rni Vrh Observatory 1975 Idrija, Slovenia Cupillari Observatory La Plume, Pennsylvania, USA CUASAR, University of Valencia observatory 2008 Aras de los Olmos, Valencia, Spain Custer Observatory 1927 Southold, New York, USA
D
David Dunlap Observatory Daniel S. Schanck Observatory (defunct) 1865 Rutgers University, New Brunswick, New Jersey, USA Daniel Scholl Observatory (defunct) 1886-1966 Lancaster, Pennsylvania, USA Dark Sky Observatory 1981 Phillips Gap, Wilkes County, North Carolina, USA Darling's Observatory (defunct) 1917 Duluth, Minnesota, USA Dearborn Observatory 1889 Evanston, Illinois, USA Detroit Observatory 1854 Ann Arbor, Michigan, USA David Dunlap Observatory 1935 Richmond Hill, Ontario, Canada Dome C Antarctica Dominion Observatory 1905 Ottawa, Ontario, Canada Dominion Astrophysical Observatory 1947 Saanich, British Columbia, Canada Dominion Radio Astrophysical Observatory 1960 Okanagan Falls, British Columbia, Canada Dunsink Observatory 1785 Dublin, Ireland Dyer Observatory 1953 Brentwood, Tennessee, USA
E
Effelsberg Radio Telescope Effelsberg Radio Telescope 1972 Bonn, Germany Ege University Observatory 1965 Kemalpa a, Izmir, Turkey Einstein Observatory (defunct) 1978 Low Earth orbit Elginfield Observatory 1969 Middlesex Centre, Ontario, Canada Ellis Observatory 2004 Sterling Hill Mining Museum, Ogdensburg, New Jersey, USA Eskdalemuir Observatory 1908 Dumfries and Galloway, Scotland European Gravitational Observatory 2003]] Cascina , Italy]] European Southern Observatory La Silla Observatory Llano de Chajnantor Observatory Paranal Observatory 1962 1969 2005 1999 Atacama Desert, Chile
H
The Hubble Space Telescope HALCA (defunct) 1997-2005 Elliptical earth-centered orbit Haleakala Observatory Maui, Hawaii, USA Halley Observatory 1987 Heesch, Netherlands Hamburg Observatory 1803 Hamburg, Germany Hat Creek Radio Observatory 1950s Shasta County, California, USA Hard Labor Creek Observatory Atlanta, Georgia, USA Hartung-Boothroyd Observatory 1974 Ithaca, New York, USA Hartebeesthoek Radio Astronomy Observatory 1961 Gauteng, South Africa Harvard College Observatory 1839 Cambridge, Massachusetts, USA Harvard-Smithsonian Center for Astrophysics 1973 Cambridge, Massachusetts, USA Haute-Provence Observatory 1937 Alpes-de-Haute-Provence, France Haystack Observatory 1964 Westford, Massachusetts, USA Hector J Robinson Observatory 1964 Lincoln Park, Michigan, USA Helsinki University Observatory 1834 Helsinki/Kirkkonummi, Finland Herrett Observatory 2004 Twin Falls, Idaho, USA Herschel Space Observatory 2009 Earth-Sun L2 point Hidden Valley Observatory 1960s Rapid City, South Dakota, USA High Energy Stereoscopic System 2002 Khomas Region, Namibia Highland Road Park Observatory 1997 Baton Rouge, Louisiana, USA Hinode 2006 Low Earth orbit Hirsch Observatory 1942 Troy, New York, USA Hobbs Observatory 1974 Fall Creek, Wisconsin, USA Hoher List Observatory 1954 Daun, Germany Holcomb Observatory and Planetarium 1954 Indianapolis, Indiana, USA Hong Kong Observatory 1883 Tsim Sha Tsui, Kowloon, Hong Kong Hopkins Observatory 1838 Williamstown, Massachusetts, USA Howell Observatory Starkville, Mississippi, USA Hradec Králové Observatory 1961 Hradec Králové, Czech Republic Huairou Solar Observing Station Beijing, China Hubble Space Telescope 1990 Low Earth orbit Hyde Memorial Observatory 1977 Lincoln, Nebraska, USA
I
The Isaac Newton Group of Telescopes. Also shown is the Dutch Open Telescope, the Carlsberg Meridian Telescope and the Swedish 1-m Solar Telescope. IceCube Neutrino Observatory 2010 Amundsen-Scott South Pole Station Indian Astronomical Observatory 2001 Hanle, Jammu and Kashmir, India 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 Isaac Newton Group of Telescopes 1979 La Palma, Spain Iso-Heikkilä Observatory (defunct) 1935 (only amateur use since 1972) Turku, Finland Istanbul observatory of Taqi al-Din 1577 Istanbul, Turkey Istanbul University Observatory 1936 Istanbul, Turkey
J
Jantar Mantar at Jaipur Jack C. Davis Observatory 2002 Carson City, Nevada, USA Astronomical Observatory of the Jagiellonian University 1792 Cracow, Poland James Clerk Maxwell Telescope 1987 Mauna Kea, Hawaii, USA James Webb Space Telescope 2018 (planned) Earth-Sun L2 Lagrangian point James Wylie Shepherd Observatory 2009 Montevallo, Alabama, USA Jakarta Observatory 1968 Jakarta, Indonesia Jantar Mantar 1727 Jaipur, Rajasthan, India Jena Observatory 1962 Jena, Germany Jewett Observatory 1953 Pullman, Washington, USA Jodrell Bank Observatory 1945 Cheshire, England Jones Observatory 1936 Chattanooga, Tennessee, USA Judson B. Coit Observatory Boston, Massachusetts, USA
K
McMath-Pierce Solar Telescope at Kitt Peak National Observatory 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, USA Keeble Observatory 1963 Ashland, Virginia, USA Kennon Observatory 1939 Oxford, Mississippi, USA Kepler Space Observatory (probably defunct) 2009 Earth-trailing heliocentric orbit Kevola Observatory 1963 Kevola, Finland Kielder Observatory 2008 Kielder Forest, Northumberland, England, United Kingdom Kirkwood Observatory 1901 Bloomington, Indiana, USA Kitami Observatory Hokkaid, Japan Kitt Peak National Observatory 1958 Tucson, Arizona, USA Klet' Observatory 1957 Ceske Bud jovice, Czech Rebublic Kodaikanal Solar Observatory 1899 Palani, Tamil Nadu, India Konkoly Observatory 1871 Budapest, Hungary KOSMA observatory 1985-2010 Gornergrat, Switzerland Kuffner observatory 1884 Austria Kuiper Airborne Observatory (retired) 1974 14 km in the stratosphere Kvistaberg Observatory Sweden Kyung Hee Observatory 1992 Seoul, South Korea
L
24" Clark Telescope Dome at Lowell Observatory Laboratoire d'Astrophysique de Grenoble 2001 Grenoble, France Observatorio de La Cañada (La Cañada Observatory) 2002 Ávila, Spain Ladd Observatory 1891 Providence, Rhode Island, USA Lake Afton Public Observatory 1979 Wichita, Kansas, USA Lamont-Hussey Observatory (defunct) 1928 Bloemfontein, South Africa Landessternwarte Heidelberg-Königstuhl 1898 Königstuhl, Heidelberg, Germany La Plata Astronomical Observatory 1883 La Plata, Argentina La Silla Observatory 1969 Atacama Desert, Chile Large Millimeter Telescope Sierra Negra, Puebla, Mexico Las Brisas Observatory 1979 Colorado, USA Las Campanas Observatory La Serena, Chile Las Cumbres Observatory Global Telescope 2005 Global network Laws Observatory 1880 Columbia, Missouri, USA Leander McCormick Observatory 1885 Mount Jefferson, Charlottesville, Virginia, USA 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, USA Lick Observatory 1881 Mount Hamilton, San Jose, California, USA LightBuckets (commercial observatory) 2007 Rodeo, New Mexico, USA LIGO 1999 Hanford Site & Livingston Louisiana Llano de Chajnantor Observatory 2005 Atacama Desert, Chile Llano del Hato National Astronomical Observatory 1975 Mèrida, Venezuela Long Wavelength Array 2010 Socorro, New Mexico, USA Longa Vista Observatory 2010 Itatiba,SP, Brazil Lowell Observatory Anderson Mesa Station 1894 1959 Flagstaff, Arizona, USA 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 1877 Saint-Genis-Laval, France
M
The 100" Hooker Telescope at Mount Wilson Observatory Malakoff Tower Macalester College Observatory Saint Paul, Minnesota, USA Magdalena Ridge Observatory (under construction) 2006 Socorro County, New Mexico, USA Malakoff Tower 1845 Recife, Brazil Majorca Observatory 1991 Majorca, Spain Manastash Ridge Observatory 1972 Ellensburg, Washington, USA Maragheh Observatory 1259 Maragheh, Iran Margaret M. Jacoby Observatory 1978 Warwick, Rhode Island, USA Maria Mitchell Observatory 1908 Nantucket, Massachusetts, USA Marina Towers Observatory (Not In Use) 1989 Maritime Quarter, Swansea,Wales Markree Observatory (defunct) 1837 County Sligo, Ireland Marseille Observatory Marseille, France Martz Observatory Chautauqua County, New York, USA Mauna Kea Observatory 1967 Mauna Kea, Hawaii, USA Mauna Loa Solar Observatory Hawaii, USA Maynard F. Jordan Observatory 1901 Orono, Maine, USA McDonald Observatory Davis Mountains, Texas, USA McKim Observatory 1884 Greencastle, Indiana, USA McMath-Hulbert Solar Observatory 1930 Lake Angelus, Michigan, USA MDM Observatory Kitt Peak, Arizona, USA Mead Observatory 2001 Columbus, Georgia, USA Mees Observatory Rochester, New York, USA Mehalso Observatory Erie, Pennsylvania, USA Melbourne Observatory 1862 Melbourne, Victoria, Australia Melton Memorial Observatory 1928 Columbia, South Carolina, USA Mendenhall Observatory 2002 Stillwater, Oklahoma, USA Menke Observatory 1994 Davenport, Iowa, USA Metsähovi Observatory 1966 Kirkkonummi, Finland Meudon Observatory 1876 Meudon, France Meyer-Womble Observatory 1996 Mount Evans, Colorado, USA Michigan State University Observatory 1969 East Lansing, Michigan, USA Observatoire Midi-Pyrénées Pic du Midi Observatory Toulouse Observatory 1878 1733 Headquarters: Toulouse, France Pyrenees, France Toulouse, France
Miller Observatory 1976 Maiden, North Carolina, USA Mills Observatory 1935 Balgay Hills, Dundee, Scotland MMT Observatory 1987 Mount Hopkins, Arizona, USA 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 1972 Monterey, California, USA Montevideo National Observatory Montevideo, Uruguay, 34°54.6′S 56°12.8′W Moore Observatory 1978 Oldham County, Kentucky, USA Morgan-Monroe Observatory 1966 Morgan-Monroe State Forest, Indiana, USA Morris Observatory 1973 North Manchester, Indiana, USA Morrison Observatory Fayette, Missouri, USA Moscow Cosmic-Ray Station Troitsk, Russia Mount Stony Brook Observatory 1968 Stony Brook, New York, USA Mounds Observatory Tulsa, Oklahoma, USA Mount Abu Observatory Mount Abu, Rajasthan, India Mount Cuba Astronomical Observatory Greenville, Delaware, USA Mount Graham International Observatory 1993 Mount Graham, Arizona, USA Mount John University Observatory 1965 Lake Tekapo, South Island, New Zealand Mount Laguna Observatory 1968 San Diego, California, USA Mount Lemmon Observatory Tucson, Arizona, USA Mount Pleasant Radio Observatory Tasmania Mount Stromlo Observatory 1911 Canberra, Australia Mount Suhora Observatory 1987 Poland Mount Wilson Observatory 1904 Mount Wilson, Los Angeles County, California, USA Mountain Skies Observatory 1997 Lyman, Wyoming, USA Mullard Radio Astronomy Observatory 1957 Cambridge, England Murchison Radio-astronomy Observatory 2012 Murchison, WA, Australia
N
Nice Observatory achi-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 Cerro Tololo Inter-American Observatory Gemini Observatory Kitt Peak National Observatory National Solar Observatory 1982 Headquarters: Tucson, Arizona, USA National Optical Observatory Turkey National Radio Astronomy Observatory Atacama Large Millimeter Array Green Bank Telescope Very Large Array Very Long Baseline Array 1957 Headquarters: Charlottesville, Virginia, USA National Research Institute of Astronomy and Geophysics (NRIAG) 1903 Helwan, Egypt National Solar Observatory Sunspot, New Mexico, USA & Kitt Peak, Arizona, USA Naval Research Lab. Radio Sta. Sugar Grove, West Virigina, 38°31.2′N 79°16.4′W Naylor Observatory Harrisburg, Pennsylvania, USA Neuchâtel Observatory 1858 Neuchâtel, Switzerland Nice Observatory 1879 Nice, France Norman Lockyer Observatory 1912 Sidmouth, Devon, England Nordic Optical Telescope 1988 Canary Islands, Spain Norilsk Cosmic-Ray Station Norilsk, Krasnoyarsk Krai, Russia Northern Arizona University Observatory Flagstaff, AZ, USA North Georgia Astronomical Observatory Dahlonega, Georgia, USA North Otago Astronomical Society Observatory Oamaru, South Island, New Zealand Nyrölä Observatory 1997 Jyväskylän maalaiskunta, Finland
O
O'Brien Observatory 1961 Marine on St. Croix, Minnesota, USA 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 Oil Region Astronomical Observatory Venango County, Pennsylvania, USA Onan Observatory 1990 Norwood Young America, Minnesota, USA Ond ejov Observatory 1898 Ond ejov, Czech Republic Onsala Space Observatory 1949 Onsala, Sweden Ooty Radio Telescope 1970 Ooty, Tamil Nadu, India Orchard Hill Observatory 1965 Amherst, Massachusetts Orioloromano Observatory 2007 Oriolo Romano, Italy Orion 1 (defunct) 1971 Low Earth orbit Orion 2 (defunct) 1973 Low Earth orbit Otter Creek Observatory 1995 Meade County, Kentucky, USA Oulu Cosmic-Ray Station Oulu, Finland Owens Valley Radio Observatory Bishop, California, USA
P
Perth Observatory Pachmarhi Array of Cerenkov Telescopes (PACT) Pachmarhi, Madhya Pradesh, India Palisades-Dows Observatory 1987 Cedar Rapids, Iowa, USA Palomar Observatory 1948 Palomar Mountain, California, USA Panzano Observatory 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, USA Peach Mountain Observatory 1950 Dexter, Michigan, USA Perkins Observatory 1931 Delaware, Ohio, USA Perth Observatory 1896 Perth, Australia 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, USA Pine Mountain Observatory 1965 Bend, Oregon, USA Pistoia Mountains Astronomical Observatory 1990 Pian dei Termini (near San Marcello Pistoiese), Italy Pollock Astronomical Observatory 2004 Hunting Valley, Ohio, USA Portage Lake Observatory (defunct) 1948 Dexter, Michigan, USA Pozna Observatory 1919 Poland
Puckett Observatory Ellijay, Georgia, USA Pula Observatory 1869 Pula, Croatia Pulkovo Observatory 1839 Pulkovskiye Heights, Russia Purple Mountain Observatory 1929 Nanjing, Jiangsu Province, China
Q
Quito Observatory Quito Astronomical Observatory 1873 La Alameda Park, Quito, Ecuador
R
Royal Greenwich Observatory Name Established Location Radcliffe Observatory 1772 Oxford, England. Moved to Durban, South Africa in 1939 Rainwater Observatory French Camp, Mississippi, USA Ralph A. Worley Observatory 1964 Shreveport, Louisiana, USA Rankin Science Observatory 1963 Appalachian State University, Boone, North Carolina, USA Rattlesnake Mountain Observatory (defunct) 1971 Hanford Reach National Monument, Washington, USA Red Barn Observatory 2006 Ty Ty, Georgia, USA Red Buttes Observatory 1994 Laramie, Wyoming, USA Riley Observatory 1974 Naperville, Illinois, USA RIT Observatory Rochester, New York, USA Ritter Observatory Toledo, Ohio, USA Robert Brownlee Observatory Lake Arrowhead, California, USA Robinson Observatory Orlando, Florida, USA Robotic Lunar Observatory (defunct) 1995 Flagstaff, Arizona, USA Rogers Observatory 1981 Traverse City, Michigan, USA Rolnick Observatory Westport, Connecticut, USA Rome Observatory Italy Rothney Astrophysical Observatory 1984 Priddis, Alberta, Canada Royal Observatory, Greenwich 1675 Greenwich, England Royal Observatory, Edinburgh 1896 Edinburgh, Scotland Roque de los Muchachos Observatory 1979 (officially inaugurated in 1985) La Palma, Canary Islands, Spain. Rosemary Hill Observatory Bronson, Florida, USA Rozhen Observatory 1981 Peak Rozhen, Bulgaria. Rutherford Observatory 1920s New York City, New York, USA RT-32 1960 Irbene, Latvia.
S
Stockholm Observatory
Strasbourg Observatory San Fernando Observatory (SFO) 1976 Sylmar, California, USA Sayan Spectrographic Cosmic Ray Complex Irkutsk, Russia SFA Observatory 1976 Nacogdoches, Texas, USA Sagamore Hill Radio Observatory 1963 Hamilton, Massachusetts, USA Shattuck Observatory 1854 Hanover, New Hampshire, USA Seven Hills Observatory 1996 Kearney, Nebraska, USA Shamakhi Astrophysical Observatory 1958 Shamakhi, Azerbaijan Shanghai Astronomical Observatory 1962 Shanghai, China Sherzer Observatory 1878 Ypsilanti, Michigan, USA Sheshan Astronomical Observatory 1900 Shanghai, China Siding Spring Observatory Siding Spring, New South Wales, Australia Sierra Nevada Observatory 1981 Sierra Nevada, Spain Silesian Planetarium and Astronomical Observatory 1955 Chorzów / Katowice, Silesia, Poland Simeiz Observatory 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, USA Smithsonian Astrophysical Observatory 1890 Cambridge, Massachusetts, USA Sola Fide Observatory Austin, Minnesota, USA 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, USA Sonnenborgh Observatory 1853 Utrecht, Netherlands Sonoma State Observatory 1976 Rohnert Park, California, USA South African Astronomical Observatory Cape Town Sutherland 1820 1972 Observatory, Cape Town, South Africa Sutherland, Northern Cape, South Africa Southern Astrophysical Research Telescope (SOAR) 2004 Cerro Pachón, Chile South Pole Telescope 2007 Antarctica Space Hard X-Ray Modulation Telescope 2010 550 km LEO Spanish National Observatory 1790 (Spain) Special Astrophysical Observatory of the Russian Academy of Sciences Caucasus Mountains, Russia Sperry Observatory 1967 Cranford, New Jersey, USA Spitzer Space Telescope 2003 Heliocentric orbit Springfield Observatory 1968 Springfield, Massachusetts, USA Sproul Observatory Swarthmore, Pennsylvania, USA Stardome Observatory 1967 Auckland, North Island, New Zealand Starkenburg Observatory 1970 Heppenheim, Germany Štefánik's Observatory 1928 Prague, Czech Republic Steward Observatory MMT Observatory Mount Graham International Observatory Mount Lemmon Observatory 1916 Tucson, Arizona, USA Stjerneborg 1581 Hven, Sweden Stockholm Observatory 1749 Stockholm, Sweden Stokesville Observatory Virginia, USA 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, USA Stuttgart Observatory 1920 Stuttgart, Germany Submillimeter Array Mauna Kea, Hawaii, USA Sudbury Neutrino Observatory 1999 Sudbury, Ontario, Canada Sunriver Observatory Sunriver, Oregon, USA Swift Gamma-Ray Burst Mission 2004 Low Earth orbit Sydney Observatory 1858 Sydney, Australia
T
Table Mountain Observatory Angeles National Forest, Wrightwood, California, USA Tacubaya Observatory 1882 Tacubaya, Mexico City, Mexico Taeduk Radio Astronomy Observatory 1986 Taejon, South Korea Tamke-Allan Observatory 1998 Roane County, Tennessee, USA Tartu Observatory 1964 Tartumaa, Estonia Teide Observatory 1964 Tenerife, Canary Islands, Spain Ten Acre Observatory Tribbey, Oklahoma, USA Thai National Observatory 2013 Doi Inthanon, Chiang Mai, Thailand The Heights Observatory 1989 The Heights School, South Australia, Australia Texas A&M Astronomical Observatory College Station, Texas, USA Theodore Jacobsen Observatory 1895 Seattle, Washington, USA Thompson Observatory 1968 Beloit, Wisconsin, USA Tien Shan Mountain Cosmic-Ray Station Almaty, Kazakhstan Tuorla Observatory 1952 Piikkiö, Finland Trieste Observatory Trieste, Italy Turin Observatory 1759 Pino Torinese, Italy
U
Uraniborg
Old University of Alabama Observatory University of Illinois Observatory 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, USA University of Alabama Observatory (Old) 1849-1890s Tuscaloosa, Alabama, USA University of North Alabama Observatory Florence, Alabama, USA University of Illinois Astronomical Observatory 1896 Urbana, Illinois, USA University of London Observatory 1929 London, England University of Maryland Observatory College Park, Maryland, USA University of Michigan-Dearborn Observatory 2007 Dearborn, Michigan, USA University of New Hampshire Observatory 1985 Durham, New Hampshire, USA University of Oklahoma Observatory Norman, Oklahoma, USA 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) Depot of Charts and Instruments (U.S. Navy) (precursor, renamed to USNO) U.S. Naval Observatory (Flagstaff Station) 1844 1830-1844 1955 Washington, D.C., USA Washington, D.C., USA Flagstaff, Arizona, USA
V
Very Large Array Radio Observatory Valongo Observatory 1924 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, USA Vanderbilt University Observatory Nashville, Tennessee, USA Vartiovuori Observatory (defunct) 1819-1834 Turku, Finland Vassar College Observatory 1865 Poughkeepsie, New York, USA Vatican Observatory Vatican Advanced Technology Telescope 1891 1993 Headquarters: Castel Gandolfo, Italy Mount Graham, Arizona, USA Veen Observatory 1970 Lowell, Michigan, USA Vega-Bray Observatory 1990 Benson, Arizona, USA Vernonia Peak Observatory Vernonia, Oregon, USA Very Large Array 1980 Socorro, New Mexico, USA 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
W
Comet Hale-Bopp and Williams Observatory Warner Observatory 1882 Rochester, New York, USA Warner and Swasey Observatory 1919 Cleveland, Ohio, USA Warren Rupp Observatory 1985 Mansfield, Ohio, USA Warsaw University Observatory 1825 Warsaw, Poland Washburn Observatory 1881 Madison, Wisconsin, USA Weaver Student Observatory Monterey, California, USA Weitkamp Observatory 1955 Westerville, Ohio, USA West Mountain Observatory 1981 West Mountain (Utah) USA Whitin Observatory 1901 Wellesley, Massachusetts, USA Widener University Observatory 2004 Chester, Pennsylvania, USA Wilder Observatory Amherst, Massachusetts, USA Willard L. Eccles Observatory 2009 Frisco Peak, Utah, USA William Brydone Jack Observatory 1851 Fredericton, New Brunswick, Canada Williams Observatory 1990 Boiling Springs, North Carolina, USA Winer Observatory 1983 Sonoita, Arizona, USA Winfree Observatory 1900 Lynchburg, Virginia, USA Wise Observatory 1971 Negev, Israel Witte Observatory 1984 Mediapolis, Iowa, USA WIYN Observatory 1994 Kitt Peak, Arizona, USA Wyoming Infrared Observatory 1975 Laramie, Wyoming, USA
X
Xiangfen Astronomical Observatory 2100 B.C. Xiangfen County, Linfen City, Shanxi Province, China Xinjiang Astronomical Observatory 1957 Urumqi, Xinjiang, China XMM-Newton 1999 Highly eccentric Earth orbit Xujiahui Astronomical Observatory 1872 Shanghai, China
Y
The 40" refracting telescope at Yerkes Observatory Arctic Space Weather Center Yakutsk, Russia Yale Student Observatory New Haven, Connecticut, USA 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, USA York University Observatory Toronto, Ontario, Canada Yuba City Astronomical Observatory 2010 Yuba City, California, USA Yunnan Astronomical Observatory 1957 Kunming, Yunnan, China
Z Zimmerwald Observatory 1956 Zimmerwald, Switzerland
