William Herschel discovered NGC 3562 = H II-337 = h830 on 3 Apr 1785 (sweep 390) and noted "pF, pS, bM." John Herschel recorded on 4 Nov 1831 (sweep 382), "pF; lE; gbM; 20"; a * 15m dist 70"; pos from neb 22.1°."

400/500mm - 17.5" (3/28/92): fairly faint, small, slightly elongated ~E-W, gradually brighter halo, small bright core. A mag 14.5 star is 1.2' NNE.

Notes by Steve Gottlieb