1896/07/30, 03:30 UT, CM=7 Columbus, Oh, 4.25-inch f/10 reflector 170x: 20k jpg image
Seeing 2. Wilbur Ave. Bad seeing caused lost of all faint detail. Very small seeing cells.
For the full story, see:
http://ladyandtramp.com/weblog/channels/mars_1986/images/1986-07-30-rdb.jpg