Lewis Swift discovered NGC 5933 = Sw. VI-80, along with NGC 5932, on 21 Apr 1887 and recorded "eeeF; vS; R; sf of 2 [with NGC 5932]. His position is 5 sec of RA east and 1.7' north of CGCG 249-024 = PGC 55117, but the identifications are certain.

400/500mm - 17.5" (7/15/93): very faint, extremely small, round, faint stellar nucleus with direct vision. A mag 15.5 star is 1' NE. Forms a pair with NGC 5932 2.5' W.

Notes by Steve Gottlieb