Hermann Kobold discovered IC 3943 = K. 2-7 on 28 May 1895 with the 18-inch refractor at the Strasbourg Observatory.

400/500mm - 17.5" (4/21/90): very faint, very small, slightly elongated. Located between two mag 13 and 15 stars. Member of AGC 1656 with the NGC 4858/NGC 4860 pair 6' E.

600/800mm - 24" (6/3/19): at 322x; faint, fairly small, elongated 2:1 or 5:2 SW-NE, ~24"x10". Located 3.8' SE of NGC 4851 and directly between two stars at 1.3' separation.

Notes by Steve Gottlieb