Albert Marth discovered NGC 7131 = m 454 on 7 Aug 1864 and noted "vF, S, vlE, vgbM." His position is 3' too far south (matches in RA).
400/500mm - 17.5" (9/15/90): faint, small, almost round, bright core. A mag 14.5 star is 35" SSE of center. A bright pretty double star (∑2826 = 8.3/9.0 at 4") is located 5' NNW.
Notes by Steve Gottlieb