William Herschel discovered NGC 5250 = H II-817 on 26 Apr 1789 (sweep 929) and noted "pB, S, R, vgbM." CH's reduced position is 19 tsec east and 1' north of UGC 8594 (very similar offset as other nearby objects in the sweep). There were no observations made by JH or at Birr Castle.
400/500mm - 17.5" (5/11/02): fairly faint, fairly small, round, 0.8' diameter, very small bright core, moderate surface brightness. Located 5.8' NE of mag 7.4 SAO 28814. A mag 13.5 star lies 1.4' NNW.
Notes by Steve Gottlieb