Édouard Stephan discovered NGC 3781 = St XI-11, along with NGC 3784 and 3785, on 28 Apr 1881. His position matches MCG +05-28-004.
400/500mm - 17.5" (4/15/93): faint, very small, round, very small brighter core. A mag 14.5 star is 50" E. First of three with NGC 3784 and NGC 3785 7' SE.
Notes by Steve Gottlieb