John Herschel discovered NGC 2748 = h548 on 2 Sep 1828 (sweep 171) and recorded "pB; pL; E; vglbM; 90" l; 40" br." The position is marked as approximate, but is less than 2' northwest of the center of UGC 4825.
400/500mm - 17.5" (4/6/91): moderately bright, fairly small, very elongated 3.0'x1.0' SW-NE, broad concentration but no nucleus.
Notes by Steve Gottlieb