Lewis Swift discovered NGC 6911 = Sw. II-84 on 9 Jun 1885 and recorded "eF; L; lbM; pB * nr." His position is at the west edge of UGC 11540 and his comment "pB * near applies to a mag 11 star 1.5' southwest.

400/500mm - 17.5" (8/13/88): very faint, moderately large, very diffuse, slightly elongated NW-SE. A mag 11 star is 2' W.

Notes by Steve Gottlieb