Lewis Swift discovered NGC 1666 = Sw. V-62 on 1 Nov 1886 with the 16" refractor at the Warner Observatory. His position is accurate and the comment "s of [N1667] of Stephan's Catalogue in AN 2661" applies.

300/350mm - 13.1" (1/18/85): faint, small, round, faint stellar nucleus. Forms a wide pair with NGC 1667 15' N.

Notes by Steve Gottlieb