Édouard Stephan discovered NGC 5887 = St XI-31 on 9 Jun 1880. His position matches UGC 9779.

400/500mm - 17.5" (7/9/94): fairly faint, small, round, 0.8' diameter, slightly brighter core. A mag 14.5-15 star is 1.4' NNE of center. A wide pair of mag 13 stars at 36" separation is 3' SE. Located 7.4' SSW of mag 8.6 SAO 120913.

Notes by Steve Gottlieb