Located near Amado, Arizona on Mount Hopkins, the Fred Lawrence Whipple Observatory (FLWO) has the following facilities:

• The 6.5-meter MMT (256-inch) , a joint facility operated with the University of Arizona, for solar system, galactic and extragalactic astronomy.

• The 1.5-meter Tillinghast (60-inch) and 1.2-meter (48-inch) reflector telescopes, for solar system, galactic and extragalactic astronomy.

• 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.

• The 10-meter reflector for gamma-ray astronomy in the 100GeV-10TeV energy range.
• VERITAS, an array of four 12-meter reflectors for gamma-ray astronomy in the 50GeV-50TeV energy range.

• The 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.

Additional information:

• The latest Telescope Schedules (restricted to CfA)

• The FLWO Visiting Astronomer Guide.
• The FLWO Visitor Center at the base of Mount Hopkins.

• The FLWO Phone Directory search form or PDF list

• The FLWO Event History

• The growing problem of light pollution.

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