The Perkins 72″ Telescope located on Anderson Mesa outside of Flagstaff Arizona, at an altitude of 7,236 feet. The Perkins Telescope is a Cassegrain reflecting telescope with a f/17.5 focal ratio which uses an English equatorial mount for positioning on the sky.

 

For more details on DCT and PTO use and capabilities see the presentation given by Professor Clemens at the link below.

Your Arizona Telescopes: the DCT and PTO