| Apertura (metri) | Nome-Stato-Inizio attivitą | Luogo | Latitud.; Longitud. Altitudine |
Commenti |
|---|---|---|---|---|
| 10.0 | Keck_I USA 1993 | Mauna Kea, Hawaii | 19 50 N; 155 28 W 4123 m |
specchio composto da 36 segmenti |
| Keck II USA 1996 | interferometro dal 1998 | |||
| 9.2 | Hobby-Eberly USA 1996 | M. Fowlkes, Texas | 30 40 N; 104 1 W 2072 m |
Zenitale. Specchio composto. |
| 8.3 | Subaru Giapponese 2000 | Mauna Kea, Hawaii | 19 50 N; 155 28 W 4100 m |
NAOJ specchio monolitico |
| 8.2 | Antu ESO 1998 | Cerro Paranal, Cile | 24 38 S; 70 24 W 2635m |
possono operare indipendenti o insieme nel Very Large Telescope |
| Kueyen ESO 1999 | ||||
| Melipal ESO 2000 | ||||
| Yepun ESO 2000 | ||||
| 8.1 | Gillett GB, USA,Cile...2001 | Mauna Kea, Hawaii | 1950 N; 155 28 W 4100 m |
Gemini 1 specchio monolitico |
| Gemini GB, USA, Cile... | Cerro Pachon, Cile | 30 20 S;70 59 W 2737 m |
Gemini 2 specchio monolitico | |
| 6.5 | MTT USA 2001 | Mt. Hopkins, Arizona | 31 41 N; 110 53 W 2600 m |
monolitico |
| Walter Baade USA 2001 | La Serena, Cile | 29 00.2 S; 4 42 48 W 2282 m |
Magellan I Las Campanas | |
| Landon Clay USA 2001 | Magellan II | |||
| 6.0 | S.A.O. Oss.Astrofisico Speciale | Caucaso, Russia | 43 39 N; 41 26 E 2070m |
Large Altazimuth Telescope monolitico |
| 5.0 | Hale USA 1948 | M.Palomar, California | 33 21 N; 116 52 W 1900 m |
Specchio monolitico |
| 4.2 | William Herschel | Roque de Los Muchachos isola di La Palma (Canarie) | 28 46 N; 17 53 W 2400 m |
Observatorio del Roque de los Muchachos |
| 4.0 | Victor Blanco | Cerro Tololo, Cile | 30 10 S;70 49 W 2200 m |
CTIO |
| 3.9 | Anglo-Australian | Coonabarabran, NSW, Australia | 31 17 S;149 04 E | Oss. Siding Spring |
| 3.8 | Mayall USA 1980 | Kitt Peak, Arizona | 31 57 N; 111 37 W 2100 m |
NOAO |
| UKIRT | Mauna Kea, Hawaii | 19 50 N; 155 28 W 4200 m |
infrarosso | |
| 3.7 | AEOS | Maui, Hawaii | 20 42 30 N; 156 15 29 W 3058 m |
in prevalenza militare |
| 3.6 | "360" | Cerro La Silla, Cile | 29 15 S; 70 44 W 2400 m |
Oss. Europeo Australe |
| C.F.H. Canada Francia Hawaii | Mauna Kea, Hawaii | 19 50 N; 155 28 W 4200 m |
||
| Telescopio Nazionale Galileo Italia 1996 | Roque de Los Muchachos isola di La Palma (Canarie) | 28 45 N; 17 53 W 2387 m |
Italiano mono ottica attiva tipo Ritchey-Chretien | |
| 3.5 | MPI-CAHA | Calar Alto, Spain | 37 13 N; 2 33 W 2200 m |
|
| N.T.T. ESO 1989 | Cerro La Silla, Cile | 29 15 S; 70 44 W 2400 m |
Oss. Europeo Australe mono ottica attiva | |
| ARC | Apache Point, New Mexico | 32 47 N; 105 49 W 2788 m |
prevalentemente in controllo remoto | |
| WIYN | Kitt Peak, Arizona | 31 57 N; 111 37 W 2100 m |
Wisconsin, Indiana, Yale, NOAO | |
| Starfire | Kirtland AFB, New Mexico | 1900 m |
militare | |
| 3.0 | Shane | M. Hamilton, California | 37 21 N; 121 38 W 1300 m |
Lick Observatory |
| NASA IRTF | Mauna Kea, Hawaii | 19 50 N; 155 28 W 4160 m |
infrarosso | |
| 2.7 | Harlan Smith | M. Locke, Texas | 30 40 N; 104 1 W 2100 m |
McDonald Obs.; sede |
| 2.6 | BAO | Byurakan, Armenia | 40 20N; 44 17 E 1405 m |
Byurakan Astrophysical Observatory |
| Shajn | Crimea, Ukraine | 44 44 N; 34 E 600 m |
Crimean Astrophysical Observatory | |
| 2.5 | Hooker USA 1917 | M. Wilson, California | 34 13N; 118 4 W 1700 m |
Riflettore |
| Isaac Newton | Roque de Los Muchachos isola di La Palma (Canarie) | 28 45 N; 17 53 W 2382 m |
Observatorio del Roque de los Muchachos | |
| Nordic Optical | ||||
| du Pont | La Serena, Cile | 29 00.2 S; 4 42 48 W 2282 m |
Oss. Las Campanas | |
| Sloan Digital Sky Survey | Apache Point, New Mexico | 32 47 N; 105 49 W 2788 m |
specchio a grande campo | |
| 2.45 | CHARA USA 1999 | M. Wilson, California | 34 13N; 118 4 W 1700 m |
interferometro a 7 elementi |
| 2.4 | Hiltner | Kitt Peak, Arizona | 31 57 N; 111 37 W 2100 m |
MDM Observatory |
| H.S.T. USA 1994 | Orbitale | 600 km | WFPC2 visibile, NICMOS infrarosso, STIS spettrografo, GHRS ultravioletto | |
| 2.3 | WIRO | Jelm Mtn., Wyoming | 41 03 N; 106 00 W 2900 m |
infrarosso |
| ANU | Coonabarabran, NSW, Australia | 31 17 S;149 04 E | Oss. Siding Spring | |
| Bok | Kitt Peak, Arizona | 31 57 N; 111 37 W 2100 m |
Oss. Steward | |
| Vainu Bappu | Kavalur, India | 12 34 N; 78 50 E 700 m |
Indian Institude of Astrophysics | |
| 2.2 | ESO-MPI | Cerro La Silla, Cile | 29 15 S; 70 44 W 2335 m |
|
| MPI-CAHA | Calar Alto, Spain | 37 13 N; 2 33 W 2200 m |
||
| UH | Mauna Kea, Hawaii | 19 50 N; 155 28 W 4200 m |
| Apertura | Nome | Luogo | Commenti |
|---|---|---|---|
| 16.4 (4x8.2) | V. L. T. I. | Cerro Paranal, Cile | tutti e quattro uniti funzinanti da interferometro |
| 14.6 (2x10) | Keck Interferometer | Mauna Kea, Hawaii | Keck I and II funzionanti in interferometria |
| 11.8 (2x8.4) | Large Binocular Telescope | Mt. Graham, Arizona | coppia di specchi da 8,4 m |
| 10.4 | Gran Telescopio Canarias | La Palma, Canary Islands, Spain | specchio composto come il Keck |
| 9.2 | SALT | South African Astronomical Observatory | simile al HET |
| 6.0 | LZT | British Columbia, Canada | Specchio liquido UBC |
| 4.2 | SOAR | Cerro Pachon, Cile | Brasile/USA; CTIO |
| LAMOST | Xinglong Station, Cina | Beijing Astronomical Observatory | |
| 2.5 | SOFIA | stratosfera | infrarosso aviotrasportato |
| 2.3 | Aristarchos | Mt. Helmos, Grecia | Osservatorio Nazionale di Atene |
| Aperture | Name | Comments |
|---|---|---|
| 100 | OWL | OverWhelmingly Large Telescope |
| 50 | Euro50 | |
| 30-50 | MaxAT | |
| 30 | CELT | California Extremely Large Telescope |
| 30 | XLT | aka VLOT; replacement for CFHT |
| 30 | GSMT | Giant Segmented Mirror Telescope |
| Others | ||
| Apertura | Nome | Luogo | Commenti |
|---|---|---|---|
| 42 | LAMA | Cile | specchio liquido |
| 12-15 | Cornell Atacama Telescope | Atacama, Cile | per infrarosso, ALMA |
| 8 | Dark Matter Telescope | a grande campo | |
| 6? | NGST | L2 Halo orbit | |
| 4 | Vista | Cerro Paranal, Chile | a grande campo |
| 2.6 | VST | Cerro Paranal, Chile | a grande campo |
| 3x2.4 | Magdalena Ridge Observatory | Socorro, New Mexico | interferometro ottico; see also |
| 2.5 | The MLO 100 inch | Mt. Laguna, CA | |
| 2.0 | Indian Astronomical Observatory | Hanle, India | 4500 m altitudine |
| 1.86 | Dominion Astrophysical Observatory | Victoria, Canada | |
| 1.8 | The Leviathan of Parsonstown | Birr, Ireland | |
| 1 | Yerkes Observatory | Williams Bay, Wisconsin |