John Herschel discovered NGC 3493 = h808 on 24 Dec 1827 (sweep 343) and noted "eF; has a small star sp." His position (two sweeps) and description matches UGC 6099.

400/500mm - 18" (5/31/03): faint, small, edge-on 7:2 ~E-W, 0.6'x0.15', even surface brightness. A mag 14 star lies 0.7' SW of center. Located 27' SW of NGC 3504.

Notes by Steve Gottlieb