William Herschel discovered NGC 3470 = H II-888 = h799 on 9 Apr 1793 (sweep 1039) and noted "F, S, R, bM."
400/500mm - 17.5" (3/19/88): faint, small, slightly elongated NNW-SSE, weak concentration, diffuse outer halo.
Notes by Steve Gottlieb
William Herschel discovered NGC 3470 = H II-888 = h799 on 9 Apr 1793 (sweep 1039) and noted "F, S, R, bM."
400/500mm - 17.5" (3/19/88): faint, small, slightly elongated NNW-SSE, weak concentration, diffuse outer halo.
Notes by Steve Gottlieb