List of large optical telescopes

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This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.

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.

## Contents

* 1 Large reflectors and catadioptric
* 2 Selected telescopes below about 2 meters aperture
* 3 Selected telescopes below about 1 meter/yard aperture
* 4 See also
* 5 References

## 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 | 50px | 2.72 m (107 in) | Single | USA | McDonald Observatory, Texas, USA | 1969
UBC-Laval LMT |  | 2.65 m (104 in) | Liquid | Canada | Vancouver, British Columbia, Canada | 1992–2016[1]
Shajn 2.6m
"Crimean 102 in."[2] | 50px | 2.64 m (104 in) | Single |  | Crimean Astrophysical Obs., Russia/Ukraine | 1961
VLT Survey Telescope (VST)[3] | 50px | 2.61 m (102.8 in) | Single | Italy + ESO countries | Paranal Observatory, Antofagasta Region, Chile | 2007
BAO 2.6 |  | 2.6 m (102 in) | Single |  | Byurakan Astrophysical Obs., Mt. Aragatz, Armenia | 1976
Nordic Optical Telescope (NOT) | 50px | 2.56 m (101 in) | Single | Denmark, Sweden, Iceland, Norway, Finland | ORM, Canary Islands, Spain | 1988
Javalambre Survey Telescope (JAST/T250)[4] |  | 2.55 m (100 in) | Single | International | Javalambre Observatory, Spain (Z32) | TBA
Isaac Newton Telescope (INT) | 50px | 2.54 m (100 in) | Single | UK | ORM, Canary Islands, Spain (RGO, England, UK until '79) | 1984
Irenee du Pont Telescope | 50px | 2.54 m (100 in) | Single | USA | Las Campanas Observatory, Coquimbo Region, Chile | 1976
Hooker 100-Inch Telescope | 30px | 2.54 m (100 in) | Single | USA | Mt. Wilson Observatory, California, USA | 1917
Kawkasskaja gornaja observatory GAISCH MGU |  | 2.5 m (98.4 in) | Single | Russia | Caucasian mountain observatory [ru; ru; Кавказская горная обсерватория ГАИШ МГУ], Russia | 2014
SOFIA | 50px | 2.5 m (98.4 in) | Single | USA + Germany | Boeing 747SP (mobile, USA) | 2007
Sloan DSS |  | 2.5 m (98.4 in) | Single | USA | Apache Point Observatory, New Mexico, USA | 1997
Hiltner Telescope | 50px | 2.4 m (94.5 in) | Single | USA | MDM Observatory (Kitt Peak), Arizona, USA | 1986
Thai National Telescope (TNT) |  | 2.4 m (94.5 in) | Single | Thailand + SEAAN | Thai National Observatory, Doi Inthanon, Thailand | 2013
Lijiang[5] |  | 2.4 m (94.5 in) | Single | China | Yunnan Astronomical Observatory, China | 2008
Hubble (HST) | 50px | 2.4 m (94.5 in) | Single | NASA+ESA | Low Earth orbit | 1990
2.4-meter SINGLE Telescope | 50px | 2.4 m (94.5 in) | Single | USA | Magdalena Ridge Observatory, New Mexico, USA | 2006/2008
Automated Planet Finder | 50px | 2.4 m (94.5 in) | Single | USA | Lick Observatory, California, USA | 2010
Vainu Bappu[6][7] |  | 2.34 m (92.1 in) | Single | India | Vainu Bappu Observatory, Tamil Nadu, India | 1986
Aristarchos | 50x50px  | 2.3 m (90.6 in) | Single | ESO Countries \+ Greece | Chelmos Observatory, Greece | 2004
WIRO 2.3[8] | 50px | 2.3 m (90.6 in) | Single IR | USA | Wyoming Infrared Observatory, Wyoming, USA | 1977
ANU 2.3m ATT[9] |  | 2.3 m (90.6 in) | Single |  | Siding Spring Observatory, New South Wales, Australia | 1984
Bok Telescope (90-inch) | 50px | 2.3 m (90.6 in) | Single | USA | Kitt Peak National Observatory, Arizona, USA | 1969
University of Hawaii 2.2 m (UH88) | 50px | 2.24 m (88.2 in) | Single | USA | Mauna Kea Observatories, Hawaii, USA | 1970
MPIA-ESO (ESO-MPI) |  | 2.2 m (86.6 in) | Single | West Germany | La Silla Observatory, Coquimbo Region, Chile | 1984[10]
MPIA-CAHA 2.2m[10][11] | 50px | 2.2 m (86.6 in) | Single | West Germany | Calar Alto Observatory, Almería, Spain | 1979
Xinglong 2.16m[12] |  | 2.16 m (85.0 in) | Single | PRC (China) | Xinglong, China | 1989
Jorge Sahade 2.15m[13] | 50px | 2.15 m (84.6 in) | Single |  | Leoncito Astronomical Complex, San Juan Province, Argentina | 1987
INAOE 2.12 (OAGH)[14] |  | 2.12 m (83.5 in) | Single | Mexico + USA | Guillermo Haro Observatory, Sonora, Mexico | 1987
UNAM 2.12 | 50px | 2.12 m (83.5 in) | Single |  | National Astronomical Observatory, Baja California, Mexico | 1979
Fraunhofer-Teleskop | 50px | 2.1 m (83 in) |  | Ger | Observatorium Wendelstein, Deutschland | 2012
Kitt Peak 2.1-meter | 50px | 2.1 m (82.7 in) | Single | USA | Kitt Peak National Observatory, Arizona, USA | 1964
Otto Struve Telescope | 50px | 2.08 m (81.9 in) | Single | USA | McDonald Observatory, Texas, USA | 1939
T13 Automated Spectroscopic Telescope[15] |  | 2.06 m (81.1 in) | Single | USA (NASA, NSF, & TSU) | Fairborn Observatory, Arizona, USA | 2003
Himalayan Chandra Telescope (HCT)[16] | 50px | 2.01 m (79.1 in) | Single |  | Indian Astronomical Observatory, India | 2000
Alfred-Jensch-Teleskop | 50px | 2 m (78.7 in) | Single | East Germany | Karl Schwarzschild Observatory, Germany | 1960
Carl Zeiss Jena |  | 2 m (78.7 in) | Single |  | Shamakhi Astrophysical Obs., Azerbaijan | 1966
Ondřejov 2-m[17] | 50px | 2 m (78.7 in) | Single | Czechoslovakia | Ondřejov Observatory, Czech | 1967
Ritchey-Chretien-Coude (RCC)[18] | 50px | 2 m (78.7 in) | Single | Bulgaria | Rozhen Observatory, Bulgaria | 1984
Carl Zeiss Jena |  | 2 m (78.7 in) | Single | Ukraine, Russia | Peak Terskol Observatory [ru; ru; Обсерватория Пик Терскол], Russia | 1995
Bernard Lyot Telescope | 50px | 2 m (78.7 in) | Single | France | Pic du Midi Obs., France | 1980
Liverpool Telescope[19] | 50px | 2 m (78.7 in) | Single | UK | ORM, Canary Islands, Spain | 2003
Faulkes Telescope North | 30px | 2 m (78.7 in) | Single | UK | Haleakala Observatory, Hawaii, USA | 2003[20]
Faulkes Telescope South |  | 2 m (78.7 in) | Single | UK | Siding Spring Observatory, New South Wales, Australia | 2001
NAYUTA |  | 2 m (78.7 in) | Single | Japan | Nishi-Harima Observatory, Hyogo, Japan | 2004
MAGNUM[21] |  | 2 m (78.7 in) | 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
Sandy Cross Telescope[28] | 1.85 m | 73” | Single | Canada | Rothney Astrophysical Observatory, Alberta, Canada | 1986
SETI Optical Telescope | 1.83 m | 72″ | Single | USA | Oak Ridge Observatory, Massachusetts, USA | 2006[29]
Vatican Advanced Technology Telescope (VATT) | 1.83 m | 72″ | Single | Vatican City | Mount Graham International Observatory, Arizona, USA | 1993[30]
72-Inch Perkins Telescope | 1.83 m | 72″ | Single | USA | Lowell Observatory, Arizona, USA | 1964
Plaskett telescope[31] | 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[32] | 1.82 m | 72″ | Single | Italy | Asiago Observatory, Italy | 1973
1.8 meter telescope[33] | 1.80 m | 71″ | Single | China | Gaomeigu site of Yunnan Astronomical Observatory, China | 2009
Pan-STARRS PS1[34][35] | 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[36] | 1.80 m | 71″ | Single | USA | Kitt Peak National Observatory, Arizona, USA | 2001
1.8m Ritchey Cretien reflector[37] | 1.80 m | 72″ | Single | Korea | Bohyunsan Optical Astronomy Observatory, Korea | 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 |  | Sayan Solar Observatory [ru; ru; Саянская обсерватория ИСЗФ СО РАН], 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, Loiano, Italy | 1976
Leopold Figl Observatory[53] | 1.50 m | 59″ | Single | Austria | Mitterschöpfl, Vienna Woods Biosphere Reserve, Austria | 1970[citation needed]
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 (Telescope Constantinos Caratheodory)[65] | 1.40 m |  | Single | Greece | EUDOXOS Observatories Complex, Mount Ainos, Kefalonia. 38°10'12"N 20°36'36"E | 2010
ESO Coudé Auxiliary Telescope (CAT)[66][67] | 1.40 m |  | Single |  | La Silla, Chile | 1981
Ruths Telescope[68] | 1.37 m | 53.9″ | Metal | Italy | Merate Obs., Merate, Italy | 1968
SkyMapper | 1.35 m | 53.15″ | Single | Australia | Siding Spring Observatory, New South Wales, Australia | 2008
USNOFS 1.3m[69] | 1.30 m | 51″ | Single | USA  | USNO Flagstaff Station, Arizona, USA | 1998
Skalnaté pleso Observatory[70] | 1.30 m  |  | Single  | Slovakia  | Skalnaté pleso Observatory, Astronomical Institute of Slovak Academy of Sciences, Slovakia  | 2014[71]
Skinakas Obs. 1.3m | 1.30 m  |  | Single  | Greece  | Skinakas Observatory, Island of Crete, Greece  | 1995
McGraw-Hill Telescope[72][73] | 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.)[74] | 1.26 m | 49.5″ | Metal | Great Britain + Ireland | Observatory House; England | 1789–1815
AZT-11[75] | 1.25 m | 49″ | Single |  | Abastumani Observatory, Rep. of Georgia | 1976
AZT-11[76] | 1.25 m | 49″ | Single |  | Crimean Astrophysical Obs., Russia/Ukraine | 1981
MPIA 1.2[77] | 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
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
Babelsberg Zeiss[83] | 1.20 m | 47″ | Single | Germany | Babelsberg Observatory, Berlin, Germany | 1924–1947
Oskar-Lühning Telescope[84] | 1.20 m | 47″ | Single | Germany | Hamburg Observatory, Germany | 1975
Leonhard Euler Telescope[85] | 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[86]
Hamburg Robotic Telescope (HRT)[87] | 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[88] | 1.10 m | 43.3″ | Single | USA | Earth Orbit (terrestrial viewing) | 2008
Hänssgen's reflector[89] | 1.07 m | 42″ | Single | Germany | Mobile (~Germany) | 2002
KLENOT[90] | 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)[91] | 1.02 m | 40″ | R/C | USA | USNO Flagstaff Station, Arizona, USA (Washington, D.C. until 1955) | 1934
Yerkes "41-inch"[92] | 1.02 m | 40″ | Single | USA | Yerkes Observatory, Wisconsin, USA | 1968[93]
Zeiss di Merate (1m reflector) | 1.02 m | 40″ | Single | Kingdom of Italy | Merate Obs., Merate, Italy | 1926
ZIMLAT[94] | 1.00 m | 39.4″ | Single | Switzerland | Zimmerwald Obs., Switzerland | 1997
Meudon Observatory 1m[95] | 1.00 m | 39.4″ | Single | France | Meudon Observatory/ Paris Observatory | 1891 [96]
Lulin One-meter Telescope (LOT)[97][98] | 1.00 m | 39.4" | Single | Taiwan | Lulin Observatory, Taiwan | 2002
Vihorlat national telescope[99][100] | 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)[101] | 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[102] | 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
T1M | 1.00 m | 39.4″ | Cassegrain | France | Lyon Observatory, Saint-Genis-Laval, France | 1970s
Hamburg Spiegelteleskop (1m reflector)[103][104] | 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[105] | 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

|
|
|
|
|
|

Schmidt 67/92[106] | 0.92 m | 36.2″ | Schmidt | Italy | Asiago Observatory, Italy | 1967
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 [107] | 0.80 m | 31.5 ″ | R/C | Germany | Oberpfaffenhofen, Germany | 2022
Pine Mountain Observatory 32"[108] | 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[109] | 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[110] | 0.80 m | 31.5″ | Single UV | CCCP + France | Earth orbit | 1983–1989[110]
Ruisinger[111] | 0.762 m | 30″ | Single-Newtonian | USA – ASKC | Powell Observatory; Louisburg, Kansas | 1985
Obsession Telescopes #102[112] | 0.762 m | 30″ | Single | USA | Omaha, Nebraska (mobile) | 1993
AKARI (ASTRO-F)[113] | 0.685 m | 27″ | Single IR | Japan + Misc. | Earth Orbit | 2006–2011
William Lassell 24-inch[114] | 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[115] | 0.60 m | 23.5″ | Single | Belgium | La Silla Observatory, Coquimbo Region, Chile | 2010[116]
IRAS[117] | 0.57 m | 22.44″ | Single IR | USA + UK + The Netherlands | Earth orbit | 1983
Antarctica Schmidt telescopes (AST3-1)[118] | 0.50 m | 19.7″ | Single | China | Antarctic Kunlun Station | 2012
Mars Reconnaissance Orbiter—HiRISE | 0.50 m | 19.7″ | R/C | USA | Mars orbit | 2005
TacSat-2[119] | 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.)[120][121] | 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[122] | 0.40 m | 16″ | R/C | USA | Rochester NY (mobile) | 2011
Tianwen-1 (HiRIC)[123] | 0.387 m | 15″ |  | China | Mars orbit | 2021
Armagh 15- inch Grubb Reflector[124] | 0.38 m | 15″ | Metal | Great Britain | Armagh Observatory, Northern Ireland | 1835[125]
TacSat-3 | 0.35 m | 14″ | R/C | USA | Earth orbit (terrestrial viewing) | 2009–2012
Mars Global Surveyor—MOC[126] | 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-Newton—UV 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[127] | 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 Horizons—LORRI | 0.208 m | 8.2″ | R/C | USA | Space (33+ AU from Earth) | 2006
Lunar Reconnaissance Orbiter LROC-NAC[128] | 0.195 m | 7.68″ | Reflector | USA | Lunar orbit | 2009
Hadley's Reflector[129] | 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[130] | 0.10 m | 3.9″ | Single | Japan | Earth Orbit (terrestrial viewing) | 2009
Newton's reflector[131][132] | 0.033 m | 1.3″ | Metal | Great Britain | England (mobile) | 1669
MESSENGER MDIS-WAC[133] | 0.03 m | 1.18″ | Lens | USA | Space (Mercury orbit) | 2004
MESSENGER MDIS-NAC[134] | 0.025 m | 0.98″ | R/C | USA | Space (Mercury orbit) | 2004
Dawn Framing Camera (FC1/FC2)[135] | 0.02 m | 0.8″ | Lens | Germany + USA | Space (Asteroid belt) | 2007

## See also

* Lists of telescopes

## References

1. ↑ "Large Zenith Telescope". http://www.atlasobscura.com/places/large-zenith-telescope.
2. ↑ "Crimean Astrophysical Observatory". Crao.crimea.ua. http://www.crao.crimea.ua/?q=ztsh. Retrieved 19 August 2009.
3. ↑ Sedmak, G. (2000). "2000MmSAI..71..879S Page 879". Memorie della Societa Astronomica Italiana (Adsabs.harvard.edu) 71: 879. Bibcode: 2000MmSAI..71..879S.
4. ↑ "Observatorio Astrofisico de Javalambre". https://oajweb.cefca.es/telescopes/jst-t250.
5. ↑ "People's Daily Online – Asia's largest optical telescope installed in south China". People's Daily. http://english.peopledaily.com.cn/200701/30/eng20070130_346054.html. Retrieved 19 August 2009.
6. ↑ "Bhargavi & Cowsik, Afterglow of GRB 000301c". Iop.org. http://www.iop.org/EJ/article/1538-4357/545/2/L77/005553.html. Retrieved 19 August 2009.
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8. ↑ "University of Wyoming Infrared Observatory". Physics.uwyo.edu. http://physics.uwyo.edu/~mpierce/WIRO/. Retrieved 5 March 2012.
9. ↑ "ANU 2.3m Telescope". Australian National University. http://rsaa.anu.edu.au/observatories/telescopes/anu-23m-telescope. Retrieved 12 January 2016.
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11. ↑ "Max-Planck-Institut für Astronomie". Mpia.de. 20 July 1994. http://www.mpia.de/Public/menu_q2.php?Aktuelles/PR/2004/PR041116/PR_041116_en.html. Retrieved 19 August 2009.
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13. ↑ "Occultation by Charon". Lesia.obspm.fr. http://www.lesia.obspm.fr/perso/bruno-sicardy/charon/results/PR_OP/PR_OP_en.html. Retrieved 19 August 2009.
14. ↑ "INAOE – Astrophysics". Astro.inaoep.mx. http://astro.inaoep.mx/en/observatories/oagh/. Retrieved 19 August 2009.
15. ↑ "Automated Astronomy Group". Schwab.tsuniv.edu. http://schwab.tsuniv.edu/t13.html. Retrieved 5 March 2012.
16. ↑ "IIA > IAO > 2M Telescope". Iiap.res.in. 26 September 2000. http://www.iiap.res.in/iao/2mtel.html. Retrieved 5 March 2012.
17. ↑ "Category:Ondřejov 2-m Telescope – Wikimedia Commons". Commons.wikimedia.org. 30 October 2008. http://commons.wikimedia.org/wiki/Category:Ondřejov_2-m_Telescope. Retrieved 19 August 2009.
18. ↑ "Rozhen". Astro.bas.bg. http://www.astro.bas.bg/rozhen.html. Retrieved 19 August 2009.
19. ↑ C J Leigh. "NSO – Liverpool Telescope". Schoolsobservatory.org.uk. http://www.schoolsobservatory.org.uk/news/arch/teleindx.shtml. Retrieved 19 August 2009.
20. ↑ Ashford, Adrian R. (29 March 2004). "News from Sky & Telescope – Faulkes Telescope Project Launched". SkyandTelescope.com. http://www.skyandtelescope.com/news/3308886.html?page=1&c=y. Retrieved 19 August 2009.
21. ↑ Yoshii, Y.; Kobayashi, Y.; Minezaki, T. (2003). "The MAGNUM (Multicolor Active Galactic NUclei Monitoring) Project". American Astronomical Society Meeting Abstracts #202 (Adsabs.harvard.edu) 202. Bibcode: 2003AAS...202.3803Y.
22. ↑ "History – Telescopes – Radcliffe". Saao.ac.za. Archived from the original on 27 June 2009. https://web.archive.org/web/20090627160506/http://www.saao.ac.za/assa/html/his-tel-radcliffe-1_9m.html. Retrieved 5 March 2012.
23. ↑ "Radcliffe 74-inch (1.9 m)". South African Astronomical Observatory. Archived from the original on 27 June 2009. https://web.archive.org/web/20090627160506/http://www.saao.ac.za/assa/html/his-tel-radcliffe-1_9m.html. Retrieved 24 November 2010.
24. ↑ "OAO::Okayama Astrophysical Observatory/NAOJ - About The 188 cm Telescope". Oao.nao.ac.jp. http://www.oao.nao.ac.jp/en/telescope/abouttel188/. Retrieved 19 August 2009.
25. ↑ "Stromlo before the 2003 fires". Mso.anu.edu.au. 14 April 2003. http://www.mso.anu.edu.au/gallery2/main.php?g2_itemId=3270. Retrieved 19 August 2009.
26. ↑ "African Skies 4 – Sun, Sand and Stars". Saao.ac.za. http://www.saao.ac.za/~wgssa/as4/sunsand.html. Retrieved 19 August 2009.
27. ↑ "Upgrading the 1.9-m Kottamia Telescope". Saao.ac.za. http://www.saao.ac.za/~wgssa/as2/hassan.html. Retrieved 19 August 2009.
28. ↑ "Instrumentation". Ucalgary.ca. https://science.ucalgary.ca/rothney-observatory/telescopes/instrumentation. Retrieved 27 November 2025.
29. ↑ "First Light For SETI Optical Telescope by Kate Melville". Scienceagogo.com. 12 April 2006. http://www.scienceagogo.com/news/20060312023409data_trunc_sys.shtml. Retrieved 5 March 2012.
30. ↑ "History of the Vatican Observatory – Page 3". Vaticanobservatory.org. Archived from the original on 28 December 2008. https://web.archive.org/web/20081228102009/http://www.vaticanobservatory.org/History_p3.html. Retrieved 19 August 2009.
31. ↑ "1.8-metre Plaskett Telescope". Archived from the original on 9 February 2009. https://web.archive.org/web/20090209174956/http://hia-iha.nrc-cnrc.gc.ca/public/18_e.html. Retrieved 10 January 2010.
32. ↑ "Copernico 1.82m". oapd.inaf.it. https://www.oapd.inaf.it/sede-di-asiago/telescopes-and-instrumentations/copernico-182cm-telescope. Retrieved 21 August 2025.
33. ↑ "First light on the 127-element adaptive optical system for 1.8-m telescope". http://www.col.org.cn/abstract.aspx?id=COL08111019-03.
34. ↑ "Watching and waiting". The Economist. 4 December 2008. http://www.economist.com/science/displaystory.cfm?story_id=12719347. Retrieved 6 December 2008. From the print edition
35. ↑ Robert Lemos (24 November 2008). "Giant Camera Tracks Asteroids". Technology Review (MIT). http://www.technologyreview.com/computing/21705/page1/. Retrieved 6 December 2008.
36. ↑ Mike Read. "Spacewatch 1.8-meter Telescope". Spacewatch.lpl.arizona.edu. http://spacewatch.lpl.arizona.edu/18meter.html. Retrieved 19 August 2009.
37. ↑ ":: Korea Astronomy and Space Science Institute :: Optical Astronomy Division". Kasi.re.kr. http://www.kasi.re.kr/english/e_div/div_01.aspx. Retrieved 19 August 2009.
38. ↑ "S. McFarland - Utah man builds largest amateur telescope on record - Utah Times". https://archive.sltrib.com/article.php?id=57034821&itype=CMSID.
39. ↑ "History". Perkins Observatory. 1 August 1998. Archived from the original on 28 September 2006. https://web.archive.org/web/20060928085124/http://www.perkins-observatory.org/history.html. Retrieved 5 March 2012.
40. ↑ "Sayan Solar Observatoryl – ISTP SB RAS". En.iszf.irk.ru. http://en.iszf.irk.ru/Sayan_Solar_Observatoryl. Retrieved 5 March 2012.
41. ↑ "LNA – Telescзpios". Lna.br. 22 July 2011. http://www.lna.br/opd/telescop/telescop.html. Retrieved 5 March 2012.
42. ↑ "U.S. Naval Observatory Flagstaff – 1.55-m Astrometric Reflector". Nofs.navy.mil. 24 May 2001. http://www.nofs.navy.mil/about_NOFS/telescopes/ksar.html. Retrieved 5 March 2012.
43. ↑ "LPL's July 20 open house celebrates lunar missions, birth of lab". July 12, 1999. Archived from the original on 10 October 2007. https://web.archive.org/web/20071010123229/http://uanews.org/node/2603. Retrieved 10 January 2010.
44. ↑ "optical seti photographs". Seti.harvard.edu. http://seti.harvard.edu/oseti/targeted/photos.htm. Retrieved 5 March 2012.
45. ↑ "Estación Astrofísica de Bosque Alegre". Archived from the original on 22 May 2013. https://web.archive.org/web/20130522015505/http://www.oac.uncor.edu/EABA.html. Retrieved 4 March 2013.
46. ↑ Mauro Gargano. "INAF-OAC - TT1 ...". Oacn.inaf.it. http://www.oacn.inaf.it/tt1/?var=index. Retrieved 5 March 2012.
47. ↑ New York Times – "NEW HARVARD TELESCOPE.; Sixty-Inch Reflector, Biggest in the World, Being Set Up.", 6 April 1905, Thursday Page 9
48. ↑ "122-cm-Spiegelteleskop". https://www.aip.de/image_archive/images/122cm.jpg.
49. ↑ "UMN Infrared Astronomy: Telescopes". Ir.astro.umn.edu. Archived from the original on 10 February 2012. https://web.archive.org/web/20120210153906/http://ir.astro.umn.edu/telescopes/. Retrieved 5 March 2012.
50. ↑ Jpl.Nasa.Gov. "Asteroid 2011 AG5 – A Reality Check (NASA)". Jpl.nasa.gov. http://www.jpl.nasa.gov/news/news.cfm?release=2012-051. Retrieved 5 March 2012.
51. ↑ "Observatorio de Calar Alto: telescopio de 1,5 metros". Telescopios.org. http://www.telescopios.org/telescopio_1_5_metros_Calar_alto.htm. Retrieved 5 March 2012.
52. ↑ "The 152 cm Telescope". Bo.astro.it. 8 June 1994. http://www.bo.astro.it/loiano/152cm.html. Retrieved 5 March 2012.
53. ↑ "Leopold Figl-Observatorium für Astrophysik". Foa.univie.ac.at. https://foa.univie.ac.at/. Retrieved 2022-08-25.
54. ↑ Salinari, P. (1982). "The TIRGO observatory". Eso Infrared Workshop (Adsabs.harvard.edu): 45. Bibcode: 1982esoi.work...45S.
55. ↑ "Maidanak observatory". Astrin.uzsci.net. 26 February 2002. http://www.astrin.uzsci.net/oldweb2/eng/maidanak/index.html. Retrieved 5 March 2012.
56. ↑ "Tug Home". Astroa.physics.metu.edu.tr. http://astroa.physics.metu.edu.tr/tug/home.html. Retrieved 5 March 2012.
57. ↑ Nikolai Alexandrovich. "RTT150, Russian-Turkish 1.5-m Telescope" (in ru). Hea.iki.rssi.ru. http://hea.iki.rssi.ru/AZT22/ENG/index.html. Retrieved 5 March 2012.
58. ↑ Omarov, T. B.; Tashenov, B. T. (1 April 2003). "Fifty Years of the Fessenkov Astrophysical Institute". Astronomical & Astrophysical Transactions 22 (2): 107–115. doi:10.1080/1055679021000017402. Bibcode: 2003A&AT...22..107O. https://images.astronet.ru/pubd/2008/09/28/0001230744/107-115.pdf.
59. ↑ "Planetary Researches in Kazakhstan" (accessed 24 November 2010)
60. ↑ "Tartu 1.5m Telescope". to.ee. https://sirius.to.ee/aret/1.5m.html. Retrieved 7 January 2021.
61. ↑ "Observatorio Cerro Armazones - 1.5-m telescope". Ia.ucn.cl. 22 June 2010. http://www.ia.ucn.cl/observatorio/?page_id=5. Retrieved 5 March 2012.
62. ↑ "Error: no `|title=` specified when using {{Cite web}}" (in Russian). LOMO. http://lomo-tech.ru/photos/lomo_kosm_otkr.pdf. Retrieved 27 October 2008.Error:+no+`|title=`+specified when+using+{{[[Template:Cite+web|Cite+web]]}}&rft.atitle=&rft.pub=LOMO&rft_id=http://lomo-tech.ru/photos/lomo_kosm_otkr.pdf&rfr_id=info:sid/en.wikibooks.org:Astronomy:List_of_large_optical_telescopes">
63. ↑ "Home: Leibniz-Institut für Sonnenphysik". https://www.leibniz-kis.de/de/home/.
64. ↑ "IRSF 1.4m telescope". http://www-ir.u.phys.nagoya-u.ac.jp/~irsf/telescop/scope/index_e.html.
65. ↑ "TCC: 1.4m Constantine Caratheodory Telescope – EUDOXOS-RFK: A personal approach". http://astro-eudoxos.org/tcc-1-4m-costantine-caratheodory-telescope-dome/.
66. ↑ "ESO Coudé Auxiliary Telescope (CAT)". https://www.eso.org/public/images/eso8710a/.
67. ↑ "Coudé Auxiliary Telescope (Decommissioned)". https://www.eso.org/public/teles-instr/lasilla/coude/.
68. ↑ "Il riflettore Ruths (1968)". http://www.brera.mi.astro.it/~carpino/storia_fotografica_Brera/Merate1925-oggi/index.html#S5.
69. ↑ "U.S. Naval Observatory Flagstaff – 1.3-m Reflector". Nofs.navy.mil. 17 March 2000. http://www.nofs.navy.mil/about_NOFS/telescopes/13m.html. Retrieved 5 March 2012.
70. ↑ "ASTELCO Systems - Projects". http://www.astelco.com/projects.htm#sas.
71. ↑ "Na Slovensku spustili největší dalekohled, bude hledat blízkozemní planetky | Exoplanety.cz". 4 November 2014. https://www.exoplanety.cz/2014/11/04/na-slovensku-spustili-nejvetsi-dalekohled-bude-hledat-blizkozemni-planetky/.
72. ↑ "The MDM 1.3-m McGraw-Hill Telescope". Astro.lsa.umich.edu. http://www.astro.lsa.umich.edu/obs/mdm/technical/mcgraw.html. Retrieved 5 March 2012.
73. ↑ "MH Telescope Specifications". Mdm.kpno.noao.edu. http://mdm.kpno.noao.edu/13_manual/mgh03.html. Retrieved 5 March 2012.
74. ↑ "Original mirror for William Herschel's 40 foot telescope, 1785". Science & Society Picture Library. http://www.ssplprints.com/image.php?imgref=10408672. Retrieved 22 November 2008.
75. ↑ "Georgian National Astrophysical Observatory – Home". Observatory.iliauni.edu.ge. http://www.observatory.iliauni.edu.ge/index.php?lng=eng. Retrieved 5 March 2012.
76. ↑ "Home". Crao.crimea.ua. http://www.crao.crimea.ua/?q=azt11. Retrieved 5 March 2012.
77. ↑ "1.23m-telescope on Calar Alto". Caha.es. http://www.caha.es/CAHA/Telescopes/1.2m.html. Retrieved 5 March 2012.
78. ↑ "Il telescopio Galileo". dfa.unipd.it. https://www.dfa.unipd.it/dipartimento/sedi-e-strutture/sede-di-asiago/telescopi-e-strumentazione/. Retrieved 21 August 2025.
79. ↑ "Largest optical telescopes of the world". Stjarnhimlen.se. http://stjarnhimlen.se/bigtel/LargestTelescope.html. Retrieved 5 March 2012.
80. ↑ "William Lassell (1799–1880) and the discovery of Triton, 1846". Mikeoates.org. http://www.mikeoates.org/lassell/lassell_by_a_chapman.htm. Retrieved 5 March 2012.
81. ↑ "OMI: 48" Dob project". Opticalmechanics.com. 22 April 2008. http://www.opticalmechanics.com/evolution_dobs/Evo-48_intro/index.html. Retrieved 5 March 2012.
82. ↑ "www.lowreyobservatory.com". lowreyobservatory.com. 27 January 2012. http://www.lowreyobservatory.com/. Retrieved 5 March 2012.
83. ↑ "Babelsberg Zeiss". http://www.aip.de/image_archive/images/122cm.jpg.
84. ↑ "Hamburger Sternwarte – Buildings & Telescopes: Oskar-Lühning Telescope". Hs.uni-hamburg.de. 28 May 2002. http://www.hs.uni-hamburg.de/EN/Oef/Stw/luehning/index.html. Retrieved 5 March 2012.
85. ↑ "Leonard Euler Telescope". Daviddarling.info. 1 February 2007. http://www.daviddarling.info/encyclopedia/L/Leonard_Euler_Telescope.html. Retrieved 5 March 2012.
86. ↑ "News from". Mercator. http://www.mercator.iac.es/general/news. Retrieved 5 March 2012.
87. ↑ Alexander Hempelmann. "Das Hamburger Robotische Teleskop". Hs.uni-hamburg.de. http://www.hs.uni-hamburg.de/DE/Ins/Per/Hempelmann/HRT/index.html. Retrieved 5 March 2012.
88. ↑ "Herbert J. Kramer – GeoEye-1 (OrbView-5)". eoportal.org. http://www.eoportal.org/directory/pres_GeoEye1OrbView5.html. Retrieved 5 March 2012.
89. ↑ "Dr. Erhard Hänssgen's 42 inch (107 cm) Dobsonian Telescope". https://www.cruxis.com/scope/scope1070.htm.
90. ↑ "Kleť Observatory Telescopes". Kleť Observatory. 1 January 2017. http://www.klet.org/2/3/telescopes. Retrieved 3 February 2018.
91. ↑ "Naval Observatory Flagstaff Station Celebrates First Half Century - SpaceRef – Your Space Reference". SpaceRef. 30 September 2005. http://www.spaceref.com/news/viewpr.html?pid=17931. Retrieved 5 March 2012.
92. ↑ "41inch Telescope". Astro.uchicago.edu. 20 April 1999. http://astro.uchicago.edu/vtour/41inch/. Retrieved 5 March 2012.
93. ↑ "National Park Service: Astronomy and Astrophysics (Yerkes Observatory)". Nps.gov. 5 November 2001. http://www.nps.gov/history/history/online_books/butowsky5/astro4p.htm. Retrieved 5 March 2012.
94. ↑ "University of Bern – Astronomisches Institut – The ZIMLAT Telescope". Cmslive2.unibe.ch. http://cmslive2.unibe.ch/unibe/philnat/aiub/content/zimmerwald/the_zimlat_telescope/index_eng.html. Retrieved 5 March 2012.
95. ↑ "Popular Astronomy". 1911. https://books.google.com/books?id=tEMiAQAAIAAJ&dq=meudon+100+cm+reflector&pg=PA584.
96. ↑ "Le télescope de 1 mètre - Observatoire de Paris - PSL Centre de recherche en astronomie et astrophysique". 28 March 2024. https://www.obspm.fr/le-telescope-de-1-metre.html?lang=en.
97. ↑ "Lulin Observatory". http://www.lulin.ncu.edu.tw/lot/.
98. ↑ "Current Status of the Lulin Observatory". http://www.lulin.ncu.edu.tw/doc/lulin-poster20030416print.pdf.
99. ↑ "Astronomické observatórium na Kolonickom sedle". 27 August 2018. https://www.astrokolonica.sk/astronomicke-observatorium-na-kolonickom-sedle/.
100. ↑ "Kolonické sedlo, vesmír a Vihorlatská hvězdárna | Treking.cz". https://www.treking.cz/regiony/kolonicke-sedlo.htm.
101. ↑ Zhao, H. (22 June 2011). "Follow-Up Observation Plan on SSO of Purple Mountain Observatory". https://hal.archives-ouvertes.fr/file/index/docid/602472/filename/Zhao.pdf.
102. ↑ "Home | Instituto de Astrofísica de Canarias • IAC". http://www.iac.es/telescopes/ogs/OGSE.html.
103. ↑ "Hamburger Sternwarte – Buildings & Telescopes: 1m Reflector". Hs.uni-hamburg.de. Archived from the original on 7 February 2012. https://web.archive.org/web/20120207175706/http://www.hs.uni-hamburg.de/EN/Oef/Stw/1mspiegel/1mspiegel.html. Retrieved 5 March 2012.
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105. ↑ "36-inch Crossley Reflector". Ucolick.org. http://www.ucolick.org/public/telescopes/crossley.html. Retrieved 5 March 2012.
106. ↑ "Schmidt 67/92". oapd.inaf.it. https://www.oapd.inaf.it/sede-di-asiago/telescopes-and-instrumentations/schmidt-6792. Retrieved 21 August 2025.
107. ↑ "DLR - Institute of Communications and Navigation - Optical Ground Station Oberpfaffenhofen OGSOP". https://www.dlr.de/kn/en/desktopdefault.aspx/tabid-17688/28187_read-73079.
108. ↑ Ebbighausen, E. G.; Donnelly, R. J. (1968). "1968PASP...80..230E Page 230". Publications of the Astronomical Society of the Pacific 80 (473): 230. doi:10.1086/128617. Bibcode: 1968PASP...80..230E.
109. ↑ "Observatorio Astrofisico de Javalambre". https://oajweb.cefca.es/telescopes/jast-t80.
110. ↑ 110.0 110.1 "The Astron Satellite". NASA/GSFC. 26 June 2003. http://heasarc.gsfc.nasa.gov/docs/heasarc/missions/astron.html. Retrieved 22 October 2010.
111. ↑ "ASKC Home". Askc.org. http://www.askc.org. Retrieved 5 March 2012.
112. ↑ "Star Gazer Jeff". stargazerjeff.com. http://www.stargazerjeff.com. Retrieved 24 September 2012.
113. ↑ "AKARI (ASTRO-F) – Infrared Astronomy Satellite". Ir.isas.jaxa.jp. Archived from the original on 4 February 2012. https://web.archive.org/web/20120204090245/http://www.ir.isas.jaxa.jp/ASTRO-F/Outreach/index_e.html. Retrieved 5 March 2012.
114. ↑ "The Lassell Telescope". Mikeoates.org. 4 October 2005. http://www.mikeoates.org/lassell/telescope.htm. Retrieved 5 March 2012.
115. ↑ "Kelly Beatty – Former 'tenth planet' may be smaller than Pluto (November 2010) – SkyandTelescope.com/newscientist.com". Newscientist.com. https://www.newscientist.com/article/dn19697-former-tenth-planet-may-be-smaller-than-pluto.html. Retrieved 5 March 2012.
116. ↑ "TRAPPIST Telescope to Scout the Sky and Uncover Exoplanets and Comets (9 June 2010) – ScienceDaily". Sciencedaily.com. 8 June 2010. https://www.sciencedaily.com/releases/2010/06/100608211819.htm. Retrieved 5 March 2012.
117. ↑ Lutz Schmadel (2003). Dictionary of Minor Planet Names. Springer Science & Business Media. p. 315. ISBN 978-3-540-00238-3. https://books.google.com/books?id=KWrB1jPCa8AC&pg=PA315.
118. ↑ "NEW DOMAIN: International Team Installs First of Three Telescopes in Antarctica | Texas A&M University, College of Science". http://www.science.tamu.edu/articles/887.
119. ↑ "Astronautix – Tacsat2". Astronautix.com. 16 December 2006. Archived from the original on 15 October 2011. https://web.archive.org/web/20111015052026/http://astronautix.com/craft/tacsat2.htm. Retrieved 5 March 2012.
120. ↑ Hartmut Frommert, Christine Kronberg (29 July 1960). "William Herschel (1738–1822)". Maa.clell.de. http://www.maa.clell.de/Messier/E/Xtra/Bios/wherschel.html. Retrieved 5 March 2012.
121. ↑ ""Explore The Universe" – Featured Artifacts – Herschel's 20-Foot Telescope". Nasm.si.edu. http://www.nasm.si.edu/exhibitions/gal111/universe/etu_a_herschel.htm. Retrieved 5 March 2012.
122. ↑ "The University of Rochester Telescope Team - A 16" Ritchey Chretien Reflecting Telescope". Uofrtelescope.blogspot.com. https://uofrtelescope.blogspot.com/p/specifications.html. Retrieved 5 March 2012.
123. ↑ Meng, Qingyu; Wang, Dong; Wang, Xiaodong; Li, Wei; Yang, Xianwei; Yan, Dejie; Li, Yang; Cao, Zhirui et al. (2021). "High Resolution Imaging Camera (HiRIC) on China’s First Mars Exploration Tianwen-1 Mission". Space Science Reviews 217 (3): 4. doi:10.1007/s11214-021-00823-w. ISSN 0038-6308. https://link.springer.com/10.1007/s11214-021-00823-w. Retrieved 4 November 2025.
124. ↑ "Grubb 15 inch telescope". Arm.ac.uk. 8 April 2006. http://www.arm.ac.uk/history/instruments/Grubb-15inch.html. Retrieved 5 March 2012.
125. ↑ Fred Watson (2006). Stargazer: The Life and Times of the Telescope. Da Capo Press. p. 200. ISBN 978-0-306-81483-9. https://books.google.com/books?id=7dD2oE4pvukC&pg=PA200.
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127. ↑ "NASRDA Centre for Basic Space Science". http://www.cbss.nasrda.gov.ng/.
128. ↑ "eoportal – LRO (Lunar Reconnaissance Orbiter) – LROC". Events.eoportal.org. Archived from the original on 16 March 2012. https://web.archive.org/web/20120316204928/http://events.eoportal.org/presentations/129/13466.html. Retrieved 5 March 2012.
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131. ↑ "Telescopes: Newton's Reflectors". Amazing-space.stsci.edu. http://amazing-space.stsci.edu/resources/explorations/groundup/lesson/scopes/newton/index.php. Retrieved 5 March 2012.
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135. ↑ "Sierks, et al. – The Dawn Framing Camera: A Telescope En Route to the Asteroid Belt – MPS/DLR/IDA". http://indico.cern.ch/getFile.py/access?contribId=19&resId=0&materialId=6&confId=43007. Retrieved 5 March 2012.

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Celestial subject|

* Galactic / Extragalactic
* Local system
* Solar

EM methods|

* Radio
* Submillimetre
* Infrared (Far-infrared)
* Visible-light (optical)
* Ultraviolet
* X-ray
* Gamma-ray

other methods|

* Neutrino
* Cosmic rays
* Gravitational radiation
* High-energy
* Spherical
* Multi-messenger

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* Australian Aboriginal
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* Chinese
* Egyptian
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* Inuit
* Medieval Islamic
* Serbian
* folk astronomy
* Tibetan

Optical
telescopes|

* List
* Category
* Extremely large telescope

* Gran Telescopio Canarias
* Hubble Space Telescope
* Keck Observatory
* Large Binocular Telescope
* Southern African Large Telescope
* Very Large Telescope

Related topics|

* Archaeoastronomy
* Astrobiology
* Astrochemistry
* Astrophysics
* Astrology and astronomy
* Astrometry
* Astroparticle physics
* Photometry
* Physical cosmology
* List of astronomers
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Portals|

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Original source: https://en.wikipedia.org/wiki/List of large optical telescopes. Read more

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