William Herschel discovered NGC 6150 = H III-639 = h1959 on 18 Mar 1787 (sweep 718) and noted "eF, eS." Caroline's reduced position is 10 seconds of RA east of CGCG 224-022 (double system). John Herschel recorded on 28 Apr 1827 (sweep 73), "F; S; R."
400/500mm - 17.5" (5/23/87): faint, small, elongated SW-NE, weak concentration. MCG +07-34-033 lies 9.5' E. This is a double system (unresolved) on the southwest side of AGC 2197.
Notes by Steve Gottlieb