John Herschel discovered NGC 3025 = h3192 on 21 Mar 1835 and recorded "eF, vS, R, north of a * 9 m." His position and description is an exact match with ESO 566-015.

400/500mm - 17.5" (4/1/00): fairly faint, roundish, 0.8' diameter, weak concentration, halo fades into background. With averted vision, the halo increases to over 1' in diameter. Located 2.6' NW of mag 9.3 SAO 178051. A distinctive grouping of four mag 13-14 stars lies ~4' NW. ESO 566-018 lies 14' ESE.

Notes by Steve Gottlieb