William Herschel discovered NGC 5757 = H III-690 = h1876 on 19 May 1787 (sweep 741) and recorded "vF, cS, lbM, iF." His position is just off the north edge of the galaxy. JH called this galaxy "F; S; R; bM."

300/350mm - 13.1" (6/18/85): fairly faint, moderately large, brighter core surrounded by a round, diffuse halo. A mag 13 star is off the NNE edge 2.0' from the center.

Notes by Steve Gottlieb