DeLisle Stewart discovered IC 4742 = D.S. 492 on a plate taken on 20 Jul 1901 at Harvard's Arequipa Station. He noted "cF, vS, R, bM, F * inv."

600/800mm - 25" (10/16/17 - OzSky): at 244x; moderately bright, fairly small, slightly elongated ~N-S, ~1.0'x0.75', small bright core. A mag 9.8 star is at the north edge [37" from center]. IC 4741 lies 5' S. This outlying member of ACO S805 = Pavo II cluster is 48' SW of IC 4765, at the core of the cluster.

Notes by Steve Gottlieb