John Herschel discovered NGC 2127 = h2986 on 23 Dec 1834 and recorded "B, S, R, 15"." His position (measured on 3 sweeps) is accurate.
600/800mm - 25" (10/10/15 - OzSky): very bright, small, slightly elongated SW-NE, 30" diameter, high surface brightness, stellar nucleus. No resolution except for mag 14.5 star at the south tip and a mag 15.5 star at the west edge. NGC 2125 is 7.5' SSW and NGC 2136 is 12' SE.
Notes by Steve Gottlieb