Vatican Advanced Technology Telescope

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) wide, the telescope achieved its first light in 1993.

Vatican Advanced Technology Telescope
The Vatican Advanced Technology Telescope (VATT)
Alternative namesThomas J. Bannan Astrophysics Facility
Part ofMount Graham International Observatory 
Location(s)Graham County, Arizona
Coordinates32°42′05″N 109°53′31″W
OrganizationVatican Observatory 
Observatory code 290 
Altitude3,178 m (10,427 ft)
Telescope styleGregorian telescope
optical telescope 
Diameter1.83 m (6 ft 0 in)
Secondary diameter0.38 m (1 ft 3 in)
Focal length16.48 m (54 ft 1 in)
Mountingaltazimuth mount 
Websitewww.vovatt.org
Location of Vatican Advanced Technology Telescope
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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.

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