Located near Amado, Arizona on Mount Hopkins, the Fred Lawrence Whipple Observatory (FLWO) has facilities at three different elevations.

• The Summit at 2616m (8585ft):
  • The 6.5-meter MMT (256-inch), a joint facility operated with the University of Arizona, for solar system, galactic and extragalactic astronomy.

• The Ridge at 2340m (7800ft):
  • The 1.5-meter Tillinghast (60-inch) and 1.2-meter (48-inch) reflector telescopes, for solar system, galactic and extragalactic astronomy.

  • The HAT (Hungarian-made Automated Telescope) array of four optical refractor telescopes with 200-mm lenses plus a single reflector telescope, 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.

  • The MINERVA array of four 70-cm optical reflector telescopes, used for robotic studies of exoplanets.

• The Visitor Center Area at 1270m (4230ft):
  • The VERITAS array of four 12-m reflectors for gamma-ray astronomy in the 50GeV-50TeV energy range.

• Green Valley Public Lecture Series:
  • FLWO conducts a winter public lecture series in Green Valley, Arizona. Please find the schedule on facebook (bottom right button).

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 (restricted to CFA and FLWO)

• The FLWO Event History

• The growing problem of light pollution.