


in 1939, given to Perkins Observatory in the 1950s, and purchased by Lowell in 1990. The 0.6 m (24 in) Lowell Observatory Near-Earth-Object Search (LONEOS) Schmidt camera was used to search for asteroids and other near-earth objects.Construction on the facility began in 1992, and engineering tests began in 1994. Naval Observatory (USNO) Flagstaff Station (NOFS), and the U.S. The Navy Precision Optical Interferometer (NPOI) is collaboration of Lowell Observatory, the U.S.It is used by the NURO consortium for up to 60% of the time, and by Lowell scientists. It was purchased by Lowell in 1972, and refurbished in 1990. Geological Survey (USGS) for Project Apollo. The 0.79 m (31 in) telescope of the National Undergraduate Research Observatory (NURO) was built by AstroMechanics and installed in 1964 at Anderson Mesa by the U.S.In 2004, the Ritchey-Chrétien telescope was upgraded with a new mirror from Hextek, and with other parts. It was named after former Lowell Observatory director John S. The 1.07 m (42 in) John Hall Telescope was built by AstroMechanics and installed at Anderson Mesa in 1970.It was replaced in 1965 with the current mirror made of Duran-50 low-expansion glass. Fecker, Inc., was the largest single piece of glass ever cast in America when it was poured. The original 69-inch mirror, which was figured by J. Lowell and BU formed a partnership to operate the telescope that year, and GSU joined later. It was moved to Anderson Mesa in 1961, and was purchased by Lowell in 1998. Built in 1931 by Warner & Swasey Company, it was originally located at the Perkins Observatory of Ohio Wesleyan University (OWU) in Delaware, Ohio. The 1.83 m (72 in) Perkins Telescope is shared with Boston University (BU) and Georgia State University.It is located at Anderson Mesa in Coconino County, Arizona, about 12 miles southeast of Lowell's main campus on Mars Hill in Flagstaff, Arizona.

Anderson Mesa Station is an astronomical observatory established in 1959 as a dark-sky observing site for Lowell Observatory.
