Édouard Stephan discovered NGC 6312 = St X-31 on 25 Jul 1879. His position is accurate.
400/500mm - 17.5" (8/1/89): very faint, small, round, low even surface brightness. A mag 14 star is 0.7' NW of center.
Notes by Steve Gottlieb
Édouard Stephan discovered NGC 6312 = St X-31 on 25 Jul 1879. His position is accurate.
400/500mm - 17.5" (8/1/89): very faint, small, round, low even surface brightness. A mag 14 star is 0.7' NW of center.
Notes by Steve Gottlieb