Édouard Stephan discovered NGC 7121 = St IV-6 on 3 Sep 1872. His position (Esmiol's re-reduction) matches MCG -01-55-008 = PGC 67287.
400/500mm - 17.5" (8/7/91): faint, fairly small, elongated 2:1 N-S, 1.5'x0.75', weak concentration. A mag 11.5 star is 1.5' ESE of center.
Notes by Steve Gottlieb