Lewis Swift discovered NGC 2544 = Sw. II-33 on 7 Sep 1885 (along with NGC 2550) with the 16" refractor at the Warner Observatory. His description reads "eeF; pS; R; sev B stars nearly surround it." His position is 16 sec of RA west and 1.4' south of UGC 4327 and there are several mag 11-12 stars nearby (mostly west).

400/500mm - 17.5" (12/23/92): fairly faint, fairly small, elongated 3:2 WSW-ENE, brighter core. Located 5.5' SW of a mag 9.5 star. Forms a close pair with MCG +12-08-035 1.3' ENE. NGC 2550 lies 12' ENE.

Notes by Steve Gottlieb