Heinrich d'Arrest discovered NGC 4929 on 20 Apr 1865 with the 11-inch refractor at Copenhagen. His single position is accurate and he mentioned the mag 13.5 star (called 16th mag) less than 1' preceding.

400/500mm - 17.5" (5/19/01): faint, small, roundish, 25"x20", even surface brightness. Located 1' following a mag 13.5 star within AGC 1656. NGC 4931 lies 3.7' ESE and NGC 4934 7.1' ESE.

Notes by Steve Gottlieb