Albert Marth discovered NGC 7525 = m 538, along with NGC 7523, on 3 Nov 1864 and noted "eF, vS, vlE, gbM."

400/500mm - 17.5" (7/19/90): faint, very small, round, weak concentration, extremely faint star involved or faint stellar nucleus. Forms a pair with NGC 7523 2.5' SW. On the DSS, an extremely faint companion is at the north edge.

Notes by Steve Gottlieb