DeLisle Stewart discovered IC 1631 = D.S. 142 on a plate taken in 1899 at Harvard's Arequipa Station. He noted "eF, S, R, susp."

600/800mm - 30" (10/18/17 - OzSky): at 264x; moderately bright, slightly elongated 5:4 E-W, ~40"x32", fairly even surface brightness. Located 12' N of mag 7.0 HD 6869 and 31' NE of mag 3.3 Beta Phoenicis, between AGC 2870 and AGC 2877 (both members of the Phoenix Supercluster).

Notes by Steve Gottlieb