Heinrich d'Arrest discovered NGC 4907 on 5 May 1864 with the 11-inch refractor at Copenhagen. His single position is accurate and he noted the mag 13 star close south.
400/500mm - 17.5" (4/21/90): faint, small, slightly elongated SSW-NNE, even surface brightness. A mag 13 star is just off the south end. Nearby galaxies include CGCG 160-251 3' WSW and IC 4045 5' S. Located NE of the central core of AGC 1656.
Notes by Steve Gottlieb