Édouard Stephan discovered NGC 6835 = St XII-91, along with NGC 6836, on 2 Aug 1881 and recorded "small spindle, very faint, elongated SW to NE, 1.5' l." His position is accurate.
300/350mm - 13.1" (9/3/83): faint, small, edge-on WSW-ENE, weak concentration. Forms a pair with NGC 6836 7.4' SSE in a rich star field.
Notes by Steve Gottlieb