William Herschel discovered NGC 4141 = H III-795 = h1102 on 17 Apr 1789 (sweep 923) and noted "vF, S, r, iF." His RA was 20 seconds of time too small. John Herschel made a single observation on 1 May 1831 (sweep 345) and logged, "F; pL; lE; gbM; 40"." His RA was 15 seconds of time too small.

400/500mm - 17.5" (5/13/88): very faint, small, round, even surface brightness. Two mag 15 stars are 1' W and 1' NW.

Notes by Steve Gottlieb