DeLisle Stewart discovered IC 4817 = DS 555 on a plate taken at Harvard's Arequipa station on 16 Sep 1901. He reported "eF, vS, cE at 0°." Nearby ESO 184-011 was not mentioned in his discovery list.

600/800mm - 30" (10/12/15 - OzSky): at 394x; moderately bright and large, elongated 5:2 N-S, broad weak concentration. A mag 15 star is just east of the northern flank. Forms a close pair with ESO 184-011, just 1.6' E. The companion is fairly faint, fairly large, roundish, low surface brightness, no core or zones. Two mag 15 stars are at the east side and a mag 13.7 star is close southwest. IC 4810 is 27' W.

Notes by Steve Gottlieb