Sukehikro Kuragano (1933– ) is a member of Kawasaki Astronomical Association and has been an amateur observer of variable stars for about half a century. He independently discovered Comet C/1957 P1 (Mrkos) while he was climbing Mt. Fuji. (M 43043) _ _.
Discovered on 21-11-1990 in Kitami by Endate, K., Watanabe, K.