William Herschel discovered NGC 4457 = H II-35 = h1286 on 23 Feb 1784 (sweep 158) and recorded "pB; mbM than towards the ends." JH made three observations, logging on sweep 143, "B; R; psbM; 30"."

400/500mm - 17.5" (2/28/87): bright, small, almost round, very bright core. A mag 13 star lies 2.6' W of center.

Notes by Steve Gottlieb