1896/08/04, 03:20 UT, CM=320 Columbus, Oh, 4.25-inch f/10 reflector 170x: 20k jpg image
Seeing 7. Wilbur Ave. All markings easy. Note, 2003: Sytris Major, nice dark ring around the South Polar Cap.
For the full story, see:
http://ladyandtramp.com/weblog/channels/mars_1986/images/1986-08-04-rdb.jpg