Heinrich d'Arrest discovered NGC 4408 on 21 Apr 1865 with the 11-inch refractor at Copenhagen. His single position is accurate.
400/500mm - 18" (5/30/03): faint, small, elongated 4:3, 0.4'x0.25', brighter along the major axis. There appears to be a faint star at the SE edge. Located 19' NNE of NGC 4393.
Notes by Steve Gottlieb