Guillaume Bigourdan discovered IC 2955 = Big. 406 on 28 Mar 1886 in an observation of NGC 3862.

300/350mm - 13.1" (2/25/84): very faint, extremely small, round, requires averted. Located just off NNW edge of NGC 3862.

400/500mm - 17.5" (3/12/88): faint, very small, round, weak concentration. This is the fainter member of a very close pair with NGC 3862 in AGC 1367, situated just 0.9' NNW of NGC 3862.

Notes by Steve Gottlieb