Lewis Swift discovered NGC 5818 = Sw. VI-73 on 23 Apr 1887 and recorded "vF; pS; R; bet 2 stars; an eF * involved." His position is 1.7' north of UGC 9643 and his comment "between 2 stars" applies to two mag 11/12 stars 2' north and 3' south.

400/500mm - 17.5" (6/18/93): faint, small, round, 30" diameter, broad concentration. Located 7' W of mag 8.4 SAO 29374 7' E. NGC 5828 lies 20' NE.

Notes by Steve Gottlieb