Appendix G: Largest Optical Telescopes in The World

Aperture (m) Name Location Altitude (m)
10.4 Gran Telescopio Cararias La Palma, Canary Islands, Spain 2400
10 Keck I Mauna Kea, Hawaii 4123
10 Keck II Mauna Kea, Hawaii 4123
10 SALT Sutherland, South Africa 1759
  9.2 Hobby—Eberly Mt. Fowlkes, Texas 2072
  8.4 × 2 Large Binocular Telescope Mt. Graham, Arizona 3170
  8.3 Subaru Mauna Kea, Hawaii 4100
  8.2 Antu Cerro Paranal, Chile 2635
  8.2 Kueyen Cerro Paranal, Chile 2635
  8.2 Melipal Cerro Paranal, Chile 2635
  8.2 Tepun Cerro Paranal, Chile 2635
  8.1 Gemini North (Gillett) Mauna Kea, Hawaii 4100
  8.1 Gemini South Cerro Pachon, Chile 2737
  6.5 MMT Mt. Hopkins, Arizona 2600
  6.5 Walter Baade La Serena, Chile 2282
  6.5 Landon Clay La Serena, Chile 2282
  6 Bolshoi Teleskop Azimutalnyi Nizhny Arkhyz, Russia 2070
  6 LZT British Columbia, Canada   395
  5 Hale Palomar Mtn., California 1900
  4.2 William Herschel La Palma, Canary Islands, Spain 2400
  4.2 SOAR Cerro Pachon, Chile 2738
  4.2 LAMOST Xinglong Station, China   950
  4 Victor Blanco Cerro Tololo, Chile 2200
  3.9 Anglo—Australian Coonabarabran, Australia 1100
  3.8 Mayall Kitt Peak, Arizona 2100
  3.8 UKIRT Mauna Kea, Hawaii 4200
  3.7 AEOS Maui, Hawaii 3058
  3.6 “360” Cerro La Silla, Chile 2400
  3.6 Canada—France—Hawaii Mauna Kea, Hawaii 4200
  3.6 Telescopio Nazionale Galileo La Palma, Canary Islands, Spain 2387
  3.5 MPI—CAHA Calar Alto, Spain 2200
  3.5 New Techonology Cerro La Silla, Chile 2400
  3.5 ARC Apache Point, New Mexico 2788
  3.5 WIYN Kitt Peak, Arizona 2100
  3.5 Starfire Kirtland Air Force Base, New Mexico 1900
  3 Shane Mt. Hamilton, California 1300
  3 NASA IRTF Mauna Kea, Hawaii 4160
  2.7 Harlan Smith Mt. Locke, Texas 2100
  2.6 BAO Byurakan, Armenia 1405
  2.6 Shajn Crimea, Ukraine 600
  2.5 Hooker Mt. Wilson, California 1700
  2.5 Isaac Newton La Palma, Canary Islands, Spain 2382
  2.5 Nordic Optical La Palma, Canary Islands, Spain 2382
  2.5 duPont La Serena, Chile 2282
  2.5 Sloan Digital Sky Survey Apache Point, New Mexico 2788
  2.4 Hiltner Kitt Peak, Arizona 2100
  2.4 Lijiang Lijiang City, China 3250
  2.4 Hubble Space Telescope Low Earth orbit 6 × 105
  2.3 WIRO Jelm Mtn., Wyoming 2900
  2.3 ANU Coonabarabran, Australia 1100
  2.3 Bok Kitt Peak, Arizona 2100
  2.3 Vainu Bappu Kavalur, India 700
  2.3 Aristarchos Mt. Helmos, Greece 2340
  2.2 ESO—MPI Cerro La Silla, Chile 2335
  2.2 MPI—CAHA Calar Alto, Spain 2200
  2.2 UH Mauna Kea, Hawaii 4200
  2.1 Kitt Peak 2.1 meter Kitt Peak, Arizona 2100
  2.1 Otto Struve Davis Mountains, Texas 2070
  2.1 UNAM San Pedro, Mexico 2800
  2.1 Jorge Sahade El Leoncito, Argentina 2552
  2 Himalayan Chandra Hanle, India 4517
  2 Alfred Jensch Teleskop Tautenburg, Germany  
  2 Carl Zeiss Jena Azerbaijan  
  2 Ondrejov Ondrejov, Czech Republic  
  2 RCC Chepelare, Bulgaria  
  2 Bernard Lyot Pic du Midi, France 2877
  2 Faulkes Telescope North Haleakala, Maui, Hawaii 3050
  2 Faulkes Telescope South Siding Springs, Australia 3822
  2 MAGNUM Haleakala, Maui, Hawaii 3058
  1.0 (×6) CHARA Array Mt. Wilson, California 1700

A-20