Albert Marth discovered NGC 6813 = m 400 on 7 Aug 1864 and noted "D* in vF, S neb." His position is accurate.

400/500mm - 17.5" (6/15/91): at 140x, fairly faint emission nebulosity, round, 1.5' diameter. Surrounds a very close mag 14 double star. Using an OIII filter the nebulosity is very prominent and increases to 3' in size. Located 3' SE of mag 9 SAO 87539.

Notes by Steve Gottlieb