William Herschel discovered NGC 7623 = H III-435 = h2231 on 26 Sep 1785 (sweep 442) and noted "vF and eS." His position is accurate. JH made the single observation (sweep 281), "pF; R; psbM." Marth discovered nearby NGC 7621.

200/250mm - 8" (7/24/82): very faint, small.

300/350mm - 13" (11/5/83): fairly faint, small, round, very small bright core.

400/500mm - 17.5" (10/12/85): bright core, stellar nucleus, very faint extensions ~N-S.

17.5" (9/14/85): fairly bright, small, elongated, small bright core. Forms a close pair with NGC 7621 2.2' SW in the Pegasus I cluster.

Notes by Steve Gottlieb