Keck telescopes
The
W.M. Keck telescopes are the two largest
telescopes of the
Mauna Kea Observatory on
Mauna Kea in
Hawai'i. These are reflecting telescopes located at an altitude of 4,145 m (13,600 ft).
Keck I started observing in
1993 and
Keck II started in
1996. This is a
Ritchey-Chrétien type of telescope on an altazimuth mount, assisted by
active optics. The Keck telescopes have, essentially, 10m mirrors; however, rather than having one mirror each telescope has 36 smaller
hexagonal mirrors working together. In addition, Keck I and II can work together, via
interferometry; this gives them the effective power of an 85m mirror.
The telescopes are owned by the University of California and Caltech.
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