Albert Marth discovered NGC 293 = m 18 on 27 Sep 1864 with Lassell's 48" on Malta and recorded "vF, S." His position is accurate.

400/500mm - 17.5" (10/13/90): extremely faint, very small, round, very low surface brightness. A mag 14.5 star is off the SE end 1.1' from center. Forms a pair with NGC 298 11' SE.

Notes by Steve Gottlieb