Heinrich d'Arrest discovered NGC 4745 on 24 Apr 1865 with the 11-inch refractor at Copenhagen. His mean position on two nights is at the northeast edge of CGCG 159-094 = PGC 43539. The RC3 mag =15.1V appears too faint.

400/500mm - 17.5" (5/14/94): faint, small, round, well-defined edge to halo, no concentration. A mag 14 star is 1.4' ENE of center. The view is hampered by 31 Comae Berenices (V = 4.9) located 8.0' NNE and mag 9 SAO 82532 5.3' SSW. NGC 4728 is at the edge of the field 13' W. There were several brief impressions of an extremely faint companion galaxy 1.7' WNW (NGC 4745B). Outlying member of AGC 1656.

Notes by Steve Gottlieb