John Herschel discovered NGC 2125 = h2985 on 23 Dec 1834 and recorded "vF; R; 50"; gbM." His position (single sweep) is 1' too far south.
600/800mm - 25" (10/10/15 - OzSky): fairly faint, fairly small, 30" diameter, unconcentrated. A couple of very faint stars are resolved as well as a mag 14.5-15 star on the northeast edge. Faintest of 3 clusters with NGC 2127 7.5' NE and NGC 2136/2137 11' ESE.
Notes by Steve Gottlieb