400/500mm - 17.5" (10/25/97): extremely faint, very small, round, 20" diameter. Located close SE [25"] of a mag 14.5-15 star. This is the faintest of five viewed in HCG 15 and located 1.9' NNW of HCG 15C (brightest component).
900/1200mm - 48" (10/25/11): fairly bright, round, 35" diameter, very small bright core. A mag 15 star is 25" NW. Forms a close pair with HCG 15F (faintest of 6) 35" N.