William Herschel discovered NGC 3418 = H II-363 = h775 on 11 Apr 1785 (sweep 396) and noted "F, S." John Herschel made four observations, while the LdR assistants recorded this galaxy on 5 nights.

300/350mm - 13.1" (3/24/84): faint, slightly elongated, diffuse, even surface brightness, held steadily with averted. Located 8.5' NNE of NGC 3414.

Notes by Steve Gottlieb