John Herschel discovered NGC 5843 = h3592 on 3 May 1834 and recorded "eF; E; vlbM; r; 15" length." On a second observation he logged "vF; R; vglbM; 20"." His position is accurate.

400/500mm - 17.5" moderately bright and large, elongated 3:2 WSW-ENE, 1.5'x1.0'. Increases to a 30" core and a quasi-stellar nucleus w/direct vision. A pair of mag 11.5/13 stars to the south are nearly collinear [2.1' and 1.3']. Located 6' ESE of mag 9 SAO 206303 and 15' ESSE of mag 6.3 SAO 206292.

Notes by Steve Gottlieb