?douard Stephan discovered NGC 1681 = St IX-4 on 6 Jan 1878 with the 31" reflector at the Marseille Observatory. His position is accurate.
400/500mm - 17.5" (12/23/89): fairly faint, small, round, bright core. A mag 12 star is at the west edge 0.8' from center and a mag 12.5 star is 1.2' E.
Notes by Steve Gottlieb