List of large optical telescopes
Template:Short description Script error: No such module "Unsubst". Script error: No such module "Hatnote". This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes. This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time. In 1900 a 1-meter reflector would be among the largest in the world, but by 2000, would be relatively common for professional observatories.
Large reflectors and catadioptric
See List of largest optical reflecting telescopes for continuation of list to larger scopes
| Name | Image | Aperture | Mirror type |
Nationality / Sponsors | Site | Built |
|---|---|---|---|---|---|---|
| Harlan J. Smith Telescope | File:107-inch at dusk.JPG | Script error: No such module "convert". | Single | USA | McDonald Observatory, Texas, USA | 1969 |
| UBC-Laval LMT | Script error: No such module "convert". | Liquid | Canada | Vancouver, British Columbia, Canada | 1992–2016[1] | |
| Shajn 2.6m "Crimean 102 in."[2] |
File:CraO main telescope.jpg | Script error: No such module "convert". | Single | Crimean Astrophysical Obs., Russia/Ukraine | 1961 | |
| VLT Survey Telescope (VST)[3] | File:Tel view1.jpg | Script error: No such module "convert". | Single | Italy + ESO countries | Paranal Observatory, Antofagasta Region, Chile | 2007 |
| BAO 2.6 | Script error: No such module "convert". | Single | Byurakan Astrophysical Obs., Mt. Aragatz, Armenia | 1976 | ||
| Nordic Optical Telescope (NOT) | File:Nordic Optical Telescope La Palma.jpg | Script error: No such module "convert". | Single | Denmark, Sweden, Iceland, Norway, Finland | ORM, Canary Islands, Spain | 1988 |
| Javalambre Survey Telescope (JAST/T250)[4] | Script error: No such module "convert". | Single | International | Javalambre Observatory, Spain (Z32) | TBA | |
| Isaac Newton Telescope (INT) | File:Isaac Newton Telescope, La Palma, Spain.jpg | Script error: No such module "convert". | Single | UK | ORM, Canary Islands, Spain (RGO, England, UK until '79) | 1984 |
| Irenee du Pont Telescope | File:Du Pont Las Campanas.jpg | Script error: No such module "convert". | Single | USA | Las Campanas Observatory, Coquimbo Region, Chile | 1976 |
| Hooker 100-Inch Telescope | File:100inchHooker.jpg | Script error: No such module "convert". | Single | USA | Mt. Wilson Observatory, California, USA | 1917 |
| Kawkasskaja gornaja observatory GAISCH MGU | Script error: No such module "convert". | Single | Russia | Template:Interlanguage link multi, Russia | 2014 | |
| SOFIA | File:SOFIA in air.jpg | Script error: No such module "convert". | Single | USA + Germany | Boeing 747SP (mobile, USA) | 2007 |
| Sloan DSS | Script error: No such module "convert". | Single | USA | Apache Point Observatory, New Mexico, USA | 1997 | |
| Hiltner Telescope | File:MDM Hiltner Telescope.jpg | Script error: No such module "convert". | Single | USA | MDM Observatory (Kitt Peak), Arizona, USA | 1986 |
| Thai National Telescope (TNT) | Script error: No such module "convert". | Single | Thailand + SEAAN | Thai National Observatory, Doi Inthanon, Thailand | 2013 | |
| Lijiang[5] | Script error: No such module "convert". | Single | China | Yunnan Astronomical Observatory, China | 2008 | |
| Hubble (HST) | File:HST-SM4.jpeg | Script error: No such module "convert". | Single | NASA+ESA | Low Earth orbit | 1990 |
| 2.4-meter SINGLE Telescope | File:Magdalena Observatory.JPG | Script error: No such module "convert". | Single | USA | Magdalena Ridge Observatory, New Mexico, USA | 2006/2008 |
| Automated Planet Finder | File:Automated Planet Finder Dome.JPG | Script error: No such module "convert". | Single | USA | Lick Observatory, California, USA | 2010 |
| Vainu Bappu[6][7] | Script error: No such module "convert". | Single | India | Vainu Bappu Observatory, Tamil Nadu, India | 1986 | |
| Aristarchos | File:Aristarchos telescope.jpg | Script error: No such module "convert". | Single | ESO Countries + Greece | Chelmos Observatory, Greece | 2004 |
| WIRO 2.3[8] | File:WyomingInfraRedObservatory.jpg | Script error: No such module "convert". | Single IR | USA | Wyoming Infrared Observatory, Wyoming, USA | 1977 |
| ANU 2.3m ATT[9] | Script error: No such module "convert". | Single | Siding Spring Observatory, New South Wales, Australia | 1984 | ||
| Bok Telescope (90-inch) | File:Bokscope.jpg | Script error: No such module "convert". | Single | USA | Kitt Peak National Observatory, Arizona, USA | 1969 |
| University of Hawaii 2.2 m (UH88) | File:UH88 at sunset.jpg | Script error: No such module "convert". | Single | USA | Mauna Kea Observatories, Hawaii, USA | 1970 |
| MPIA-ESO (ESO-MPI) | Script error: No such module "convert". | Single | West Germany | La Silla Observatory, Coquimbo Region, Chile | 1984[10] | |
| MPIA-CAHA 2.2m[10][11] | File:Calar alto.JPG | Script error: No such module "convert". | Single | West Germany | Calar Alto Observatory, Almería, Spain | 1979 |
| Xinglong 2.16m[12] | Script error: No such module "convert". | Single | PRC (China) | Xinglong, China | 1989 | |
| Jorge Sahade 2.15m[13] | File:Telescopio del Complejo astronomico el Leoncito-San Juan-ARG.JPG | Script error: No such module "convert". | Single | Leoncito Astronomical Complex, San Juan Province, Argentina | 1987 | |
| INAOE 2.12 (OAGH)[14] | Script error: No such module "convert". | Single | Mexico + USA | Guillermo Haro Observatory, Sonora, Mexico | 1987 | |
| UNAM 2.12 | File:2.12m Telescope-SanPedroMartir Observatory-BajaCalifornia-Mexico.jpg | Script error: No such module "convert". | Single | National Astronomical Observatory, Baja California, Mexico | 1979 | |
| Fraunhofer-Teleskop | File:Wendelstein Fraunhofer Reflector.jpg | Script error: No such module "convert". | Ger | Observatorium Wendelstein, Deutschland | 2012 | |
| Kitt Peak 2.1-meter | File:KPNO 2.1m (Crop from At Kitt Peak National Observatory).jpg | Script error: No such module "convert". | Single | USA | Kitt Peak National Observatory, Arizona, USA | 1964 |
| Otto Struve Telescope | File:Otto Struve Telescope.jpg | Script error: No such module "convert". | Single | USA | McDonald Observatory, Texas, USA | 1939 |
| T13 Automated Spectroscopic Telescope[15] | Script error: No such module "convert". | Single | USA (NASA, NSF, & TSU) | Fairborn Observatory, Arizona, USA | 2003 | |
| Himalayan Chandra Telescope (HCT)[16] | File:Hanle observatory.jpg | Script error: No such module "convert". | Single | Indian Astronomical Observatory, India | 2000 | |
| Alfred Jensch Teleskop | File:Karl-Schwarzschild-Observatorium.jpg | Script error: No such module "convert". | Single | Ger | Karl Schwarzschild Observatory, Germany | 1960 |
| Carl Zeiss Jena | Script error: No such module "convert". | Single | Shamakhi Astrophysical Obs., Azerbaijan | 1966 | ||
| Ondřejov 2-m[17] | File:2-m Telescope3, Ondřejov Astronomical.jpg | Script error: No such module "convert". | Single | Czechoslovakia | Ondřejov Observatory, Czech | 1967 |
| Ritchey-Chretien-Coude (RCC)[18] | File:Rozhen dome.jpg | Script error: No such module "convert". | Single | Bulgaria | Rozhen Observatory, Bulgaria | 1984 |
| Carl Zeiss Jena | Script error: No such module "convert". | Single | Ukraine, Russia | Template:Interlanguage link multi, Russia | 1995 | |
| Bernard Lyot Telescope | File:Téléscope Bernard Lyot.jpg | Script error: No such module "convert". | Single | France | Pic du Midi Obs., France | 1980 |
| Liverpool Telescope[19] | File:Liverpool Telescope facility exterior.jpg | Script error: No such module "convert". | Single | UK | ORM, Canary Islands, Spain | 2003 |
| Faulkes Telescope North | File:EZL-Faulkes.jpg | Script error: No such module "convert". | Single | UK | Haleakala Observatory, Hawaii, USA | 2003[20] |
| Faulkes Telescope South | Script error: No such module "convert". | Single | UK | Siding Spring Observatory, New South Wales, Australia | 2001 | |
| NAYUTA | Script error: No such module "convert". | Single | Japan | Nishi-Harima Observatory, Hyogo, Japan | 2004 | |
| MAGNUM[21] | Script error: No such module "convert". | Single IR | Japan | Haleakala Observatory, Hawaii, USA | 2001–2008 |
Selected telescopes below about 2 meters aperture
A non-comprehensive non-exclusionary list of telescopes one yard to less than 2 metres in aperture.
| Name | Aperture m |
Aper. in |
Mirror type | Nationality of Sponsors |
Site | Built |
|---|---|---|---|---|---|---|
| OHP 1.93 | 1.93 m | 76″ | Single | France | Haute-Provence Observatory, France | 1958 |
| 74 inch (1.9 m) Radcliffe Telescope[22] | 1.88 m | 74″ | Single | South African Astronomical Observatory Sutherland (1974–present) Radcliffe Observatory, Pretoria, South Africa (1948– 1974)[23] |
1950 | |
| 1.88 m telescope[24] | 1.88 m | 74″ | Single | Japan | Okayama Astrophysical Observatory, Japan | 1960 |
| DDO 1.88 m | 1.88 m | 74″ | Single | Canada | David Dunlap Observatory, Ontario, Canada | 1935 |
| 74" reflector[25] | 1.88 m | 74″ | Single | Australia | Mount Stromlo Observatory, Australian Capital Territory, Australia | 1955–2003 |
| Kottamia telescope 1.88 m[26][27] | 1.88 m | 74″ | Single | Egypt | Egypt | 1960 |
| SETI Optical Telescope | 1.83 m | 72″ | Single | USA | Oak Ridge Observatory, Massachusetts, USA | 2006[28] |
| Vatican Advanced Technology Telescope (VATT) | 1.83 m | 72″ | Single | Vatican City | Mount Graham International Observatory, Arizona, USA | 1993[29] |
| 72-Inch Perkins Telescope | 1.83 m | 72″ | Single | USA | Lowell Observatory, Arizona, USA | 1964 |
| Plaskett telescope[30] | 1.83 m | 72″ | Single | Canada | Dominion Astrophysical Observatory, British Columbia, Canada | 1918 |
| Leviathan of Parsonstown | 1.83 m | 72″ | Metal | Great Britain | Birr Castle; Ireland Historical recreation |
1845 |
| Copernico 1.82 m[31] | 1.82 m | 72″ | Single | Italy | Asiago Observatory, Italy | 1976 |
| 1.8 meter telescope[32] | 1.80 m | 71″ | Single | China | Gaomeigu site of Yunnan Astronomical Observatory, China | 2009 |
| Pan-STARRS PS1[33][34] | 1.8 m | 71″ | Single | Germany, Taiwan, US, UK | Haleakala Observatory, Hawaii, USA | 2007 |
| VLT Auxiliary Telescopes (1.8 x 4) | 1.80 m | 71″ | Single | Europe | Paranal Observatory, Antofagasta Region, Chile | 2006 |
| Spacewatch 1.8-meter Telescope[35] | 1.80 m | 71″ | Single | USA | Kitt Peak National Observatory, Arizona, USA | 2001 |
| 1.8m Ritchey Cretien reflector[36] | 1.80 m | 72″ | Single | Korea | Bohyunsan Optical Astronomy Observatory, Korea | 1996 |
| Sandy Cross Telescope[37] | 1.80 m | 71″ | Single | Canada | Rothney Astrophysical Observatory, Alberta, Canada | 1996 |
| Largest amateur telescope in 2013[38] | 1.778 m | 70″ | Single | USA | Utah, USA (mobile) | 2013 |
| 69-inch Perkins Telescope[39] | 1.75 m | 69″ | Single | USA | Perkins Observatory, Ohio, USA | 1931–1964 |
| 1.65 m telescope | 1.65 m | 65″ | Single | Molėtai Astronomical Obs., Lithuania | 1991 | |
| McMath–Pierce solar telescope | 1.61 m | 63″ | Single | USA | Kitt Peak National Observatory, Arizona, USA | 1962 |
| BBO NST | 1.60 m | 63″ | Solar | USA | Big Bear Solar Observatory, California, USA | 2009 |
| AZT-33[40] | 1.60 m | 63″ | Single | Template:Interlanguage link multi, Siberia, Russia | 1981 | |
| 1.6 m Perkin Elmer[41] | 1.60 m | 63″ | Single | Brazil | Pico dos Dias Observatory, Minas Gerais, Brazil | 1981 |
| Observatoire du Mont-Mégantic | 1.60 m | 63″ | Single IR | Canada | Mont Mégantic Observatory, Québec, Canada | 1978 |
| 1.56m optical telescope | 1.56 m | 62″ | Single | China | Shanghai Astronomical Observatory, China | 1988 |
| Kaj Strand Telescope[42] | 1.55 m | 61″ | Single | USA | USNO Flagstaff Station, Arizona, USA | 1964 |
| 61" Kuiper Telescope | 1.55 m | 61″ | Single | USA | Steward Observatory, Arizona, USA | 1965[43] |
| Oak Ridge Observatory 61" reflector[44] | 1.55 m | 61″ | Single | USA | Oak Ridge Observatory, Massachusetts, USA | 1933 |
| Estación Astrofísica de Bosque Alegre[45] | 1.54 m | 60.6″ | Single | Argentina | Estación Astrofísica de Bosque Alegre, Argentina | 1942 |
| Toppo Telescope No.1 (TT1)[46] | 1.537 m | 60.5″ | Single (R/C) | Italy | Astronomical Observatory of Castelgrande, Italy | 2008 |
| Harvard 60-inch Reflector[47] | 1.524 m | 60″ | Single | USA | Harvard College Observatory, Massachusetts, USA | 1905–1931 |
| Hale 60-Inch Telescope | 1.524 m | 60″ | Single | USA | Mt. Wilson Observatory, California, USA | 1908 |
| Dunn Solar Telescope ex-VTT | 1.524 m | 60″ | Single | USA | National Solar Observatory, New Mexico, USA | 1969 |
| FLWO 1.5m Tillinghast[48] | 1.52 m | 60″ | Single | USA | F. L. Whipple Observatory, Arizona | 1994 |
| Telescopio Carlos Sánchez (TCS) | 1.52 m | 60″ | Single | UK + Spain | Teide Observatory, Canary Islands, Spain | 1971 |
| OHP 1.52 | 1.52 m | 60″ | Single | France | Haute-Provence Obs., France | 1967 |
| Mt. Lemmon 60" Dahl-Kirkham Telescope[49] | 1.52 m | 60″ | Single IR | USA | Steward Obs. (Mt. Lemmon), Arizona, USA | 1970 |
| Steward Observatory 60" Cassegrain Telescope[50] | 1.52 m | 60″ | Single | USA | Steward Obs. (Mt. Lemmon), Arizona, USA | 1960s |
| OAN 1.52 m[51] | 1.52 m | 60″ | Single | Spain | Calar Alto Observatory, Almería, Spain | 1970s |
| 1.52 m G.D. Cassini[52] | 1.52 m | 60″ | Single | Italy | Mount Orzale, Italy | 1976 |
| Leopold Figl Observatory[53] | 1.50 m | 59″ | Single | Austria | Mitterschöpfl, Vienna Woods Biosphere Reserve, Austria | 1970Script error: No such module "Unsubst". |
| TIRGO Gornergrat Infrared Telescope[54] | 1.50 m | 59″ | Single IR | Italy + Switzerland | Hochalpine Forschungsstation Jungfraujoch und Gornergrat, Alps, Switzerland | 1979–2005 |
| AZT-22[55] | 1.50 m | 59″ | Single | Mount Maidanak, Uzbekistan | 1972 | |
| RTT150 (ex-AZT-22)[56][57] | 1.50 m | 59″ | Single | Russia + Turkey | TÜBİTAK National Obs., Turkey | |
| AZT-20[58] | 1.50 m | 59″ | Single | Assy-Turgen Observatory, Kazakhstan[59] | ||
| AZT-12[60] | 1.50 m | 59″ | Single | Estonia | Tartu Observatory, Estonia | 1976 |
| Hexapod-Telescope (HPT)[61] | 1.50 m | 59″ | Single | Germany | Cerro Armazones Observatory, Antofagasta Region, Chile | 2005 |
| OSN 1.5m (Nasmyth) | 1.50 m | 59″ | Single | Spain | Sierra Nevada Observatory, Granada, Spain | |
| Persona-1 (C.2441)[62] | 1.50 m | 59″ | Korsch | Russia | Earth Orbit (SSO, terrestrial viewing) | 2008 |
| GREGOR solar/night telescope[63] | 1.50 m | 59″ | Single | Germany | Teide Observatory, Tenerife, Spain | 2012 |
| IRSF 1.4m[64] | 1.40 m | Single | Sutherland, South Africa Astronomical Observatory | 2000 | ||
| TCC[65] | 1.40 m | Single | 38°10'12"N 20°36'36"E | 2010 | ||
| ESO Coudé Auxiliary Telescope (CAT)[66][67] | 1.40 m | Single | La Silla, Chile | 1981 | ||
| SkyMapper | 1.35 m | 53.15″ | Single | Australia | Siding Spring Observatory, New South Wales, Australia | 2008 |
| USNOFS 1.3m[68] | 1.30 m | 51″ | Single | USA | USNO Flagstaff Station, Arizona, USA | 1998 |
| Skalnaté pleso Observatory[69] | 1.30 m | Single | Slovakia | Skalnaté pleso Observatory, Astronomical Institute of Slovak Academy of Sciences, Slovakia | 2014[70] | |
| Skinakas Obs. 1.3m | 1.30 m | Single | Greece | Skinakas Observatory, Island of Crete, Greece | 1995 | |
| McGraw-Hill Telescope[71][72] | 1.27 m | 50″ | Single | USA | MDM Observatory, Arizona, USA (1975–present) Dexter, Michigan, USA (1969–1975) |
1969 |
| 1.26m infrared telescope | 1.26 m | 49.5" | Single | China | Xinglong Station, China | 1991 |
| Herschel 40-foot(1.26 m d.)[73] | 1.26 m | 49.5″ | Metal | Great Britain + Ireland | Observatory House; England | 1789–1815 |
| AZT-11[74] | 1.25 m | 49″ | Single | Abastumani Observatory, Rep. of Georgia | 1976 | |
| AZT-11[75] | 1.25 m | 49″ | Single | Crimean Astrophysical Obs., Russia/Ukraine | 1981 | |
| MPIA 1.2[76] | 1.23 m | 48.4″ | Single | West Germany+Spain | Calar Alto Obs., Alemíra, Spain | 1975 |
| T-122 | 1.22 m | 48″ | Schmidt | Turkey | ÇOMÜ Ulupınar Observatory, Çanakkale, Turkey | 2002 |
| Babelsberg Zeiss[77] | 1.22 m | 48″ | Single | Germany | Babelsberg Observatory, Berlin, Germany | 1924–1947 |
| Galileo 1.22 m[78] | 1.22 m | 48″ | Single | Italy | Asiago Observatory, Italy | 1942 |
| Samuel Oschin telescope | 1.22 m | 48″ | Schmidt | USA | Palomar Observatory, California, USA | 1948 |
| Great Melbourne Telescope[79] | 1.22 m | 48″ | Metal | Great Britain | Melbourne Observatory, Victoria, Australia | 1878–1889 |
| William Lassell 48-inch[80] | 1.22 m | 48″ | Metal | Great Britain | Malta | 1861–1865 |
| Barabarella (OMI 48 inch)[81][82] | 1.22 m | 48″ | Single | USA | Lowrey Observatory, Texas, USA | 2008 |
| Oskar-Lühning Telescope[83] | 1.20 m | 47″ | Single | Germany | Hamburg Observatory, Germany | 1975 |
| Leonhard Euler Telescope[84] | 1.20 m | 47″ | Single | Switzerland | La Silla Observatory, Coquimbo Region, Chile | 1998 |
| Mercator Telescope | 1.20 m | 47″ | Single | Belgium+Switzerland | ORM, Canary Islands, Spain | 2001[85] |
| Hamburg Robotic Telescope (HRT)[86] | 1.20 m | 47″ | Single | Germany | Hamburg-Bergdorf Obs., Germany | 2002 |
| UK Schmidt Telescope | 1.20 m | 47″ | Schmidt | UK | Siding Spring Observatory, New South Wales, Australia | 1973 |
| GeoEye-1[87] | 1.10 m | 43.3″ | Single | USA | Earth Orbit (terrestrial viewing) | 2008 |
| Hänssgen's reflector[88] | 1.07 m | 42″ | Single | Germany | Mobile (~Germany) | 2002 |
| KLENOT[89] | 1.06 m | 42″ | Single | Czech Republic | Kleť Observatory, Czech Republic | 2002 |
| Nickel Telescope | 1.02 m | 40″ | Single | USA | Lick Observatory, California, USA | 1979 |
| UTAS 40-inch | 1.02 m | 40" | R/C | Australia | Mount Canopus, Tasmania, Australia | 1973 |
| George Ritchey 40-inch (1 m)[90] | 1.02 m | 40″ | R/C | USA | USNO Flagstaff Station, Arizona, USA (Washington, D.C. until 1955) | 1934 |
| Yerkes "41-inch"[91] | 1.02 m | 40″ | Single | USA | Yerkes Observatory, Wisconsin, USA | 1968[92] |
| ZIMLAT[93] | 1.00 m | 39.4″ | Single | Switzerland | Zimmerwald Obs., Switzerland | 1997 |
| Meudon Observatory 1m[94] | 1.00 m | 39.4″ | Single | France | Meudon Observatory/ Paris Observatory | 1891 [95] |
| Lulin One-meter Telescope (LOT)[96][97] | 1.00 m | 39.4" | Single | Taiwan | Lulin Observatory, Taiwan | 2002 |
| Vihorlat national telescope[98][99] | 1.00 m | 39.4" | single | Slovakia | Astronomical observatory on Kolonický mountain pass, Slovakia | |
| Wise one-meter telescope | 1.00 m | 39.4" | single | Israel | Wise Observatory, Israel | 1973 |
| SAAO 1-meter Elizabeth Telescope | 1.00m | 39.4″ | Single | South Africa | South African Astronomical Observatory Cape Town, South Africa (1962-c.1975) Sutherland, South Africa (c.1975–present) |
1962 |
| Near-Earth Object Survey Telescope (NEOST)[100] | 1.00 m | 39.4" | Single | China | Purple Mountain Observatory, China | 2006 |
| RT 1.00 m | 1.00 m | 39.4″ | TÜBİTAK National Observatory | |||
| OGS Telescope[101] | 1.00 m | 39.4″ | Single | European Space Agency countries | Teide Observatory, Canary Islands, Spain | 1995 |
| Jacobus Kapteyn Telescope | 1.00 m | 39.4″ | Single | UK + Netherlands | Isaac Newton Group, Canary Islands, Spain | 1984 |
| Zeiss di Merate (1m reflector) | 1.00 m | 39.4″ | Single | Kingdom of Italy | Merate Obs., Merate, Italy | 1926 |
| T1M | 1.00 m | 39.4″ | Cassegrain | France | Lyon Observatory, Saint-Genis-Laval, France | 1970s |
| Zeiss 1m reflector | 1.00 m | 39.4″ | Single | Belgium | Royal Obs., Uccle, Belgium | |
| Hamburg Spiegelteleskop (1m reflector)[102][103] | 1.00 m | 39.4″ | Single | Deutsches Reich (Germany) | Hamburg-Bergdorf Obs., Germany | 1911 |
| Kepler Mission telescope | 0.95 m | 37.4″ | Single | USA | Earth-trailing Orbit (Heliocentric) | 2009 |
| James Gregory Telescope | 0.94 m | 37" | Single | Great Britain | University of St Andrews, Scotland, UK | 1962 |
| Kuiper Airborne Obs.(KAO) | 0.914 m | 36″ | Single | USA | C-141 (mobile) | 1974–1995 |
| Crossley Reflector[104] | 0.914 m | 36″ | Single | US+UK | Lick Observatory, California, USA | 1896 |
| A.A. Common Reflector | 0.914 m | 36″ | Single | Great Britain | Great Britain | 1880–1896 |
| Rosse 36-inch Telescope | 0.914 m | 36″ | Metal | Great Britain | Birr Castle; Ireland | 1826 |
| SMARTS 0.9m Telescope | 0.914 m | 36″ | Single | USA, SMARTS | Cerro Tololo Inter-American Observatory, Coquimbo Region, Chile | 1965 |
| Spacewatch 0.9m Telescope | 0.914 m | 36″ | Single | USA | Steward Observatory enclave at Kitt Peak National Observatory, Arizona, USA | Contracted 1915, Completed 1921 |
| Yapp telescope | 0.914 m | 36″ | Single | U.K. | Royal Observatory, Greenwich +Herstmonceux |
1934-1990 |
Selected telescopes below about 1 meter/yard aperture
| Name | Aperture m |
Aper. in |
Type | Nationality of Sponsors | Site | Built/Used |
|---|---|---|---|---|---|---|
| Hopkins Ultraviolet Telescope | 0.90 m | 35.4″ | Single UV | USA | Earth Orbit | 1990, 1995 |
| Potsdam Great Refractor (double refractor) | 0.80 m | 31.5 ″ | Doublet | Germany | Potsdam, Germany | 1899 |
| Optical Ground Station Oberpfaffenhofen [105] | 0.80 m | 31.5 ″ | R/C | Germany | Oberpfaffenhofen, Germany | 2022 |
| Pine Mountain Observatory 32"[106] | 0.82 m | 32" | Single | USA | Pine Mountain Observatory, Pine Mountain, Oregon. 6300 feet elevation. | 1970 |
| IAC80 | 0.82 m | 32" | Single | Spain | Teide Observatory, Canary Islands, Spain | 1993 |
| JAST/T80[107] | 0.80 m | Single | Javalambre Observatory, Spain (Z32) | |||
| Joan Oró telescope | 0.80 m | 32" | R/C | Spain | Montsec Astronomical Observatory, Catalonia. 5150 feet elevation. | 2008 |
| UMBC Observatory | 0.80 m | 32" | R/C | United States | University of Maryland, Baltimore County, Baltimore, MD. 200 feet elevation | 1999 |
| Astron[108] | 0.80 m | 31.5″ | Single UV | CCCP + France | Earth orbit | 1983–1989[108] |
| Ruisinger[109] | 0.762 m | 30″ | Single-Newtonian | USA – ASKC | Powell Observatory; Louisburg, Kansas | 1985 |
| Obsession Telescopes #102[110] | 0.762 m | 30″ | Single | USA | Omaha, Nebraska (mobile) | 1993 |
| AKARI (ASTRO-F)[111] | 0.685 m | 27″ | Single IR | Japan + Misc. | Earth Orbit | 2006–2011 |
| William Lassell 24-inch[112] | 0.61 m | 24″ | Metal | Great Britain | Liverpool, England | 1845 |
| Infrared Space Observatory | 0.60 m | 23.5″ | Single IR (2.4 to 240) | European Space Agency | Earth orbit (GEO) | 1995–1998 |
| TRAPPIST[113] | 0.60 m | 23.5″ | Single | Belgium | La Silla Observatory, Coquimbo Region, Chile | 2010[114] |
| IRAS[115] | 0.57 m | 22.44″ | Single IR | USA + UK + The Netherlands | Earth orbit | 1983 |
| Antarctica Schmidt telescopes (AST3-1)[116] | 0.50 m | 19.7″ | Single | China | Antarctic Kunlun Station | 2012 |
| Mars Reconnaissance OrbiterTemplate:MdashHiRISE | 0.50 m | 19.7″ | R/C | USA | Mars orbit | 2005 |
| TacSat-2[117] | 0.50 m | 19.7″ | R/C | USA | Earth orbit (terrestrial viewing) | 2006–2011 |
| Uppsala Southern Schmidt Telescope | 0.50 m | 19.7″ | Schmidt | Multiple | Sweden / Australia | 1956–2013 |
| Ege University- A48 Reflecting Cassegrain telescope | 0.48 m | 18.9″ | Single | Turkey | Ege University Observatory, Izmir, Turkey | 1968 |
| Herschel 20-foot (0.475 m d.)[118][119] | 0.475 m | 18.5″ | Metal | Great Britain | Observatory House; England | 1782 |
| Dutch Open Telescope (DOT) | 0.45 m | 17.7″ | Solar | Denmark | ORM, Canary Islands | 1997 |
| Explorer 57 (IUE) | 0.45 m | 17.7″ | UV | US+UK+ESA Countries | Earth orbit (GEO) | 1978–1996 |
| University of Rochester Telescope Project[120] | 0.40 m | 16″ | R/C | USA | Rochester NY (mobile) | 2011 |
| Armagh 15- inch Grubb Reflector[121] | 0.38 m | 15″ | Metal | Great Britain | Armagh Observatory, Northern Ireland | 1835[122] |
| TacSat-3 | 0.35 m | 14″ | R/C | USA | Earth orbit (terrestrial viewing) | 2009–2012 |
| Mars Global SurveyorTemplate:MdashMOC[123] | 0.35 m | 13.8″ | R/C | USA | Mars Orbit | 1996–2006 |
| JHS Meade | 0.31 m | 12″ | S/C | Germany | NEO (Near Earth Objects) | 2009 |
| XMM-NewtonTemplate:MdashUV camera | 0.30 m | 11.9″ | Single UV | ESA Countries | Earth orbit | 1998 |
| SWIFT UVOT | 0.30 m | 11.9″ | Single UV | US+ UK+Italy | Earth orbit | 2004 |
| Hipparcos | 0.29 m | 11.4″ | Schmidt | European Space Agency | Earth orbit (GTO) | 1989–1993 |
| CoRoT | 0.27 m | 10.6″ | afocal | France + ESA | Earth orbit | 2007 |
| Centre for Basic Space Science Optical Telescopes[124] | 0.25 m | 9.84″ | Single | Nigeria | NASRDA-CBSS Observatory, Nsukka | 2006 |
| Astronomical Netherlands Satellite | 0.22 m | 8.7″ | Single UV | The Netherlands & USA | Earth Orbit | 1974–1976 |
| New HorizonsTemplate:MdashLORRI | 0.208 m | 8.2″ | R/C | USA | Space (33+ AU from Earth) | 2006 |
| Lunar Reconnaissance Orbiter LROC-NAC[125] | 0.195 m | 7.68″ | Reflector | USA | Lunar orbit | 2009 |
| Hadley's Reflector[126] | 0.15 m | 6″ | Metal | Great Britain | England (mobile) | 1721 |
| Chinese Small Telescope Array (CSTAR) | 0.145 m | 6″ | Single | China | Antarctic Kunlun Station | 2008 |
| University of Tokyo PRISM[127] | 0.10 m | 3.9″ | Single | Japan | Earth Orbit (terrestrial viewing) | 2009 |
| Newton's reflector[128][129] | 0.033 m | 1.3″ | Metal | Great Britain | England (mobile) | 1669 |
| MESSENGER MDIS-WAC[130] | 0.03 m | 1.18″ | Lens | USA | Space (Mercury orbit) | 2004 |
| MESSENGER MDIS-NAC[131] | 0.025 m | 0.98″ | R/C | USA | Space (Mercury orbit) | 2004 |
| Dawn Framing Camera (FC1/FC2)[132] | 0.02 m | 0.8″ | Lens | Germany + USA | Space (Asteroid belt) | 2007 |
See also
References
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- ↑ New York Times – "NEW HARVARD TELESCOPE.; Sixty-Inch Reflector, Biggest in the World, Being Set Up.", 6 April 1905, Thursday Page 9
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- ↑ "Planetary Researches in Kazakhstan" (accessed 24 November 2010)
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- ↑ Encyclopedia of Astronomy and Physics, Telescopes in History, Peter Bond
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