Lewis Swift discovered NGC 5583 = Sw. III-80 on 4 Jun 1886 and recorded "vF; pS; R; pB * nr; also a F one." His position is 6 sec of RA west and 1' south of UGC 9196 and his description applies.

400/500mm - 17.5" (7/22/01): faint, small, elongated 4:3 ~E-W, 0.4'x0.3'. Forms the SE vertex of a small equilateral triangle with a mag 11 star 1' NW and a mag 14 star 1' W.

Notes by Steve Gottlieb