John Herschel discovered NGC 5393 = h3550 on 30 Mar 1835 and recorded "vF; R; glbM; 25"." His single position is accurate.

400/500mm - 17.5" (5/4/02): fairly faint, fairly small, slightly elongated, 0.8'x0.7', moderate surface brightness. There are a half-dozen mag 10-11 stars in the 21' field. IC 4351 lies 40' SW.

Notes by Steve Gottlieb