Lewis Swift discovered NGC 6409 = Sw. I-67 on 18 Jun 1885 and noted "vF; S; R." His position is 30 seconds of RA too far west. Bigourdan measured an accurate position on 7 Aug 1888 (repeated in the IC 2 Notes).
400/500mm - 17.5" (7/19/90): faint, small, round, broad concentration.
Notes by Steve Gottlieb