Located near Amado, Arizona on Mount Hopkins, the
Fred Lawrence Whipple Observatory (FLWO) has the following
6.5-meter MMT (256-inch) , a joint facility operated with the
University of Arizona, for solar system, galactic and extragalactic
The 1.5-meter Tillinghast (60-inch)
and 1.2-meter (48-inch)
reflector telescopes, for solar system, galactic and
- The 1.3-meter (51-inch) PAIRITEL
(Peters Automated IR Imaging Telescope;
ex-2MASS) reflector, for infrared
observations, especially of gamma-ray burst afterglows, supernovae and other
variable sources, is now decommissioned.
- The 10-meter reflector for gamma-ray astronomy
in the 100GeV-10TeV energy range is now decommissioned.
- VERITAS, an array
of four 12-meter reflectors for gamma-ray astronomy
in the 50GeV-50TeV energy range.
HAT (Hungarian-made Automated Telescope) network of
optical refractor telescopes, used for
robotic searches for variable stars and exoplanets.
- The MEarth
array of eight 40-cm optical reflector telescopes, used for
robotic searches for exoplanets.