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.
Heidelberg-Königstuhl State Observatory in 1906. The observatory ceased to be run by the German federal government in 2005 when it was joined with the Institute of Theoretical Astrophysics and Astronomical Calculation Institute to make up the Center of Astronomy of the University of Heidelberg. Between 1912 and 1957 Karl Wilhelm Reinmuth discovered almost 400 asteroids from the Heidelberg-Königstuhl State Observatory. Heidelberg-Königstuhl State Observatory Heidelberg-Königstuhl State Observatory () is a historic astronomical observatory located near the summit of the Königstuhl hill in the city of Heidelberg in Germany. The predecessor of the current observatory was originally opened in 1774 in the nearby city of