DeLisle Stewart discovered IC 4731 = D.S. 481 on a plate taken on 20 Jul 1901 at Harvard's Arequipa Station. He noted "vF, vS, eE at 88°, stell N."
600/800mm - 25" (10/15/17 - OzSky): at 397x; moderately bright, fairly small, elongated 3:2 WSW-ENE, ~45"x30", high surface brightness, relatively large bright core. IC 4731 is an outlying member of ACO S805 = DC 1842-63 with several nearby members; IC 4735 is 7.7' E, IC 4726 is 13' WNW, ESO 103-031 is 16' WNW and IC 4727 is 16' NNW.
Notes by Steve Gottlieb