John Herschel discovered NGC 2549 = h495 on 9 Feb 1831 (sweep 323) and recorded "pB; S; mE; pos in merid; psmbM; 15" l, 6" br. A *7m follows." His position and description matches UGC 4313.

300/350mm - 13.1" (1/18/85): fairly bright, fairly small, edge-on 4:1 N-S, 2.0'x0.5', very bright core, stellar or almost stellar nucleus. Located 10' WNW of mag 5.9 30 Lyncis.

Notes by Steve Gottlieb