Lowell Observatory

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An observatory at an altitude of 2210 m on Mars Hill, Flagstaff, Arizona, founded in 1894 by P. Lowell. It contains a 24-inch (0.61-m) refractor installed by Lowell in 1896, and the 0.33-m astrograph with which Pluto was discovered. In 1961 a dark-sky outstation was opened on Anderson Mesa, 19 km southeast of Flagstaff, altitude 2200 m. This contains the 1.83-m Perkins reflector operated jointly with Boston University, moved here from Ohio in 1961; the 1.1-m John S. Hall reflector opened in 1968; a 0.8-m reflector; and a 0.6-m Schmidt used for the Lowell Observatory Near-Earth Object Search. The Navy Prototype Optical Interferometer (NPOI), a joint project of the Naval Research Laboratory, the US Naval Observatory, and Lowell Observatory, began operation on Anderson Mesa in 1996, performing high-resolution astrometry and imaging. Lowell Observatory will also operate the 4.2-m Discovery Channel Telescope, due for completion in 2011.

http://www.lowell.edu/ Official observatory website.

Subjects: Astronomy and Astrophysics.

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