Albert Marth discovered NGC 7533 = m 542 on 5 Oct 1864 and noted "F, S, R." His position is accurate. CGCG misidentifies CGCG 380-053 as NGC 7533. The correct CGCG entry is 380-013.

400/500mm - 17.5" (7/20/90): very faint, very small, slightly elongated WNW-ESE, small brighter core. Located 5.6' NW of mag 8.9 SAO 146588 in the NGC 7556 group.

Notes by Steve Gottlieb