William Herschel discovered NGC 3773 = H III-81 = h928 on 12 Apr 1784 (sweep 188) and recorded "eF, vS; it contains more nebulosity than the preceding [NGC 3731]; 240x showed it better than 157."
300/350mm - 13.1" (4/10/86): fairly faint, very small, round, stellar nucleus, small faint halo.
Notes by Steve Gottlieb