Édouard Stephan discovered NGC 5572 = St XIII-73 on 13 May 1883. His position is accurate.
400/500mm - 17.5" (6/23/01): faint, fairly small, irregularly round, 40" diameter, weak concentration. Located at the midpoint of two mag 11 stars 6' NE and 6' SW. A third mag 10.5 lies 7' S. Member of the NGC 5557 group (LGG 378).
Notes by Steve Gottlieb