William Herschel discovered NGC 3543 = H III-920 = h826 on 9 Apr 1793 (sweep 1039) and noted "eF, vS, E nearly in the meridian [north-south]." Caroline's reduced position is 3.5' southwest of UGC 6213.

400/500mm - 17.5" (3/19/88): faint, moderately large, edge-on 5:1 ~N-S. A wide pair of mag 14 stars at 51" separation lie 2' NE.

Notes by Steve Gottlieb