Édouard Stephan discovered NGC 5842 = St XII-69 on 11 May 1882 with the 31-inch silvered glass reflector at the Marseille Observatory. His position is accurate.
400/500mm - 17.5" (7/8/94): very faint, very small, round, 20" diameter, no concentration. A mag 14 star is 0.9' N of center.
Notes by Steve Gottlieb