mountain profile Institute for Astronomy University of Hawaii

Mauna Kea Telescopes

Maintained by W-W

Optical/Infrared

UH 0.9m UH 0.9-m educational telescope 0.9m University of Hawaii at Hilo 2010
UH 2.2m UH 2.2-m telescope 2.2m UH Institute for Astronomy 1970
IRTF NASA Infrared Telescope Facility 3.0m NASA 1979
CFHT Canada-France-Hawaii Telescope 3.6m Canada/France/UH 1979
UKIRT United Kingdom Infrared Telescope 3.8m United Kingdom 1979
Keck I W. M. Keck Observatory 10m Caltech/University of  California 1993
Keck II W. M. Keck Observatory 10m Caltech/University of  California 1996
Subaru Subaru Telescope 8.3m Japan 1999
Gemini Gemini Northern Telescope 8.1m USA/UK/ Canada/Argentina/
Australia/Brazil/Chile
1999

Submillimeter

CSO Caltech Submillimeter Observatory
10.4m
Caltech/NSF 1987
JCMT James Clerk Maxwell Telescope
15m
UK/Canada/Netherlands 1987
SMA Submillimeter Array
8x6m
Smithsonian Astrophysical Observatory/Taiwan 2002

Radio

VLBA Very Long Baseline Array
25m
NRAO/AUI/NSF 1992

Mirror sizes

Mirror sizes  Click to enlarge This chart shows all the mirrors of the optical and infrared telescopes on Mauna Kea to the same scale (click to enlarge)

The Hubble Space Telescope's mirror is similar in size to that of the UH 2.2 meter telescope -- the second smallest telescope on the mountain.