Roger Putnam which was under-utilized due to poor viewing conditions and low elevation. Putnam led the negotiations which permanently moved the telescope to Lowell Observatory's Anderson Mesa site (in Arizona). The telescope was operated by Lowell Observatory in partnership with the Ohio State University and Ohio Wesleyan, and purchased by Lowell in 1998. Putnam brought Perkins's telescope to the Arizona observatory as well. The Observatory's existing telescope had cracked in 1964 while staff attempted to update its optical system. The Perkins mirror did not stay at Lowell for long, returning to Perkins' control in 1969. The Lowell Observatory retained the mount, however.
Lowell Observatory and Chile. Past Anderson Mesa, on the peak of Happy Jack, Lowell Observatory has also built and is commissioning the Discovery Channel Telescope in partnership with Discovery Communications, Inc. The observatory has carried out a wide array of research. One of its programs was the measurement of the variability of solar irradiance. When Harold L. Johnson took over as the director in 1952, the stated objective became to focus on light from the Sun reflecting from Uranus and Neptune. In 1953, the current telescope was erected. Beginning in 1954, this telescope began monitoring the brightness of these two planets, and