400/500mm - 17.5" (10/25/97): faint, fairly small, round, 40" diameter. This galaxy is probably the brightest of five viewed in HCG 15 and appeared slightly brighter than HCG 15A = UGC 1624 3.5' ENE.

900/1200mm - 48" (10/25/11): fairly bright, moderately large, round, 40" diameter, contains a very small bright core. UGC 1617 = HCG 15B lies 2.5' SW and UGC 1618 = HCG 15 D lies 1.9' NNW