DeLisle Stewart discovered IC 4738 = D.S. 488, on a plate taken 20 Jul 1901 at Harvard's Arequipa Station in Peru. He noted "eeF, eS, eF * sf 0.5'."

600/800mm - 25" (10/16/17 - OzSky): at 397x; very faint, small, roundish, 25" diameter. A mag 14.5 star is superimposed on the SE end. Three bright stars are near south; a mag 10.1 star 2.0' WSW, a mag 10.6 star 2.9' SSW and a mag 11 star1.5' SSE. IC 4738 forms a pair with IC 4739 2.9' E. Located 40' NW of NGC 6673 in the northwestern outskirts of the Pavo II cluster = ACO S805.

Notes by Steve Gottlieb