William Herschel discovered NGC 5750 = H I-183 = h1875 on 11 Apr 1787 (sweep 727) and logged "cB, pL, iR." JH made the single observation "F; R; gbM; r; 30"; is not entitled to be called first class. Sky perfectly clear."
200/250mm - 8" (6/29/84): fairly faint, small, elongated WSW-ENE, weakly concentrated with no sharp nucleus.
400/500mm - 17.5" (6/18/93): moderately bright, moderately large, elongated 3:2 WSW-ENE, 1.8'x1.2'. The halo has a moderate even concentration down to a very small brighter core and a faint stellar nucleus. A mag 14 star lies 1.1' N of center.
Notes by Steve Gottlieb