Édouard Stephan discovered NGC 6378 = St VII-17 on 13 Jul 1876. His position is accurate.
400/500mm - 17.5" (7/20/90): faint, fairly small, oval 3:1 N-S, almost even surface brightness. Forms the vertex of a right angle with two mag 11 stars 1.5' W and 1.0' S. Located in a rich star field.
Notes by Steve Gottlieb