John Herschel discovered NGC 4635 = h1400 on 17 Mar 1831 and logged "eF L; bM; 3' diam." The comment "an over-estimation" was later added. His mean position (2 observations) matches UGC 7876 = PGC 42704.

400/500mm - 17.5" (5/22/93): fairly faint, moderately large, elongated 4:3 ~N-S, 1.6'x1.2', broad weak concentration.

Notes by Steve Gottlieb