Vatican Advanced Technology Telescope

Vatican Advanced Technology Telescope

The Vatican Advanced Technology Telescope (VATT)
Alternative names	Thomas J. Bannan Astrophysics Facility
Location(s)	Graham County, Arizona
Coordinates	32°42′05″N 109°53′31″W / 32.7013°N 109.892°W / 32.7013; -109.892
Altitude	3,178 m (10,427 ft)
Diameter	1.83 m (6 ft 0 in)
Secondary diameter	0.38 m (1 ft 3 in)
Focal length	16.48 m (54 ft 1 in)
Website	www.vovatt.org
Location of Vatican Advanced Technology Telescope
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The Alice P. Lennon Telescope and its Thomas J. Bannan Astrophysics Facility, known together as the Vatican Advanced Technology Telescope (VATT), is a Gregorian telescope observing in the optical and infrared situated on Mount Graham in southeast Arizona, United States. Measuring 1.83 m (6 ft 0 in) primary diameter, the telescope achieved its first light in 1993.

VATT is part of the Mount Graham International Observatory and is operated by the Vatican Observatory, one of the oldest astronomical research institutions in the world, in partnership with The University of Arizona.