Percival Lowell detail in mid-1896 soon after the Alvan Clark & Sons refracting telescope was installed at his new Flagstaff, Arizona observatory. Lowell observed the planet high in the daytime sky with the telescope's lens stopped down to 3 inches in diameter to reduce the effect of the turbulent daytime atmosphere. Lowell observed spoke-like surface features including a central dark spot, contrary to what was suspected then (and known now): that Venus has no surface features visible from Earth, being covered in an atmosphere that is opaque. It has been noted in a 2003 "Journal for the History of Astronomy" paper and
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