Perkins Observatory were both growing. Light pollution therefore became increasingly problematic. So in 1961 the Perkins Telescope was moved to Lowell Observatory in Flagstaff, Arizona. Lowell is the largest private observatory (non-university or government affiliated) in the world. Through the end of the 20th century, the Perkins Telescope was the observatory’s largest instrument. Observing time on this instrument was shared between Lowell astronomers and the Ohio State University. The telescope at Perkins was immediately replaced with a cassegrain reflector telescope. It was donated by Michael R. Schottland, an entrepreneur from Martinsville, Virginia. At that time it was the largest privately owned telescope
Fox Observatory Fox Observatory Fox Observatory is an astronomical observatory owned and operated by South Florida Amateur Astronomers Association. It is located in Sunrise, Florida (US). In the late 1960s, Dr. Joseph Dennison Fox, Professor of Astronomy and History, completed his tenure at the University of Puerto Rico, and with his wife Sylvia, retired to North Miami. He brought with him an optical tube assembly for a 6-inch f/15 refractor. This telescope, in its updated and restored state, now resides in the Fox Observatory, on the grounds of Markham Park. The lens and original tube assembly were built by Chester Brandon, renowned