William Herschel discovered NGC 6283 = H III-728 on 13 Apr 1788 (sweep 832) and noted "vF, cS, iR." CH's reduction is an excellent match with UGC 10652
400/500mm - 17.5" (6/18/88): fairly faint, moderately large, broad concentration. A double star lies 3.7' SW (mag 12/14 at 20").
Notes by Steve Gottlieb