DeLisle Stewart discovered IC 4801 = DS 540 on a plate taken 13 Aug 1901 at Harvard's Arequipa Station in Peru. He noted "cF, S, R, bM."
600/800mm - 30" (11/3/10 - Coonabarabran, 264x): bright, fairly large, oval 3:2 E-W, 1.5'x1.0', sharply concentrated with a very bright core surrounded by a fairly large, relatively faint halo. Located 4' SE of mag 9.5 HD 175283 in the southeastern outskirts of ACO S805 = Pavo II clsuter. NGC 6722 lies 29' SE.
Notes by Steve Gottlieb