Fred Lawrence Whipple Observatory

The Fred Lawrence Whipple Observatory (FLWO) is the largest field installation of the Smithsonian Astrophysical Observatory (SAO) outside Cambridge, MA. The site is​ on Mt. Hopkins, Arizona​. The major instrument ​at​ ​the site is the MMT Observatory's 6.5-m-diameter optical telescope. The current suite of FLWO telescopes includes a 1.2-m-diameter imaging optical telescope; the 1.5-m Tillinghast optical spectroscopic telescope; the HAT (Hungarian-made Automated Telescope) array of five optical telescopes; the MINERVA array of four 70-cm optical telescopes; the MEarth array of eight 40-cm optical telescopes; and the VERITAS array of four 12-m telescopes for gamma-ray astronomy.


Public Tours, Lectures & Visitors Center (520) 879-4407
Site Director: Dr. Pascal Fortin (520) 879-4419
Public Affairs: Alexandra Terry (520) 879-4406
Science Office: Dr. Emilio Falco (520) 879-4415