Albert Marth discovered NGC 170 = m 13 on 3 Nov 1863 with Lassell's 48" on Malta and recorded "F, S, R." Marth's position is 1' N of CGCG 383-042 = PGC 2195.
400/500mm - 17.5" (10/8/88): very faint, very small, round. Located 2.0' NW of mag 9.0 SAO 109310 and 7.5' SW of NGC 173.
Notes by Steve Gottlieb