Albert Marth discovered NGC 7673 = m 577 on 5 Sep 1864 and noted "F, S, R." Heinrich d'Arrest independently discovered the galaxy again on 30 Sep 1866 with the 11" refractor at Copenhagen Observatory.

300/350mm - 13.1" (9/22/84): moderately bright, small, weak concentration, round. Forms a pair with NGC 7677 7' SE. Located 4' W of mag 7.9 SAO 91280 and 5' WNW of mag 8.6 SAO 91282. Upsilon Pegasi (V = 4.4) is 33' WSW in a low power field.

Notes by Steve Gottlieb