Édouard Stephan discovered NGC 6320 = St IV-1 on 27 Jul 1872. His position is accurate.
400/500mm - 17.5" (8/1/89): very faint, slightly elongated E-W, 0.8'x0.6', low even surface brightness, very diffuse. A mag 14 star is attached on the south side, 25" from the center.
Notes by Steve Gottlieb