1988/08/21, 07:45 UT, CM=322 Mansfield, Oh, 31-inch f/7 reflector 340x - 500x
Seeing 9.5 of 10. Warren Rupp Observatory. Best. Split in polar cap easy. Crack in polar cap seen only with a lot of trouble. 9-inch mask (F/24) on and off. No moons.

For the full story, see:
http://ladyandtramp.com/weblog/channels/mars_1988/images/1988-08-21-2-rdb.jpg