Lowell Observatory Lowell Observatory Lowell Observatory is an astronomical observatory in Flagstaff, Arizona, United States. Lowell Observatory was established in 1894, placing it among the oldest observatories in the United States, and was designated a National Historic Landmark in 1965. In 2011, the Observatory was named one of "The World's 100 Most Important Places" by TIME. It was at the Lowell Observatory that the dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh. The observatory was founded by astronomer Percival Lowell of Boston's Lowell family and is overseen by a sole trustee, a position historically handed down through the family. The
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