Max Wolf discovered IC 4016 = W. V-137, along with IC 4015 as well as IC 4027, 4034 and 4038 on a Heidelberg plate taken 21 Mar 1903. He reported "D neb, eF, S, iF, N."
600/800mm - 24" (6/4/16): the two components (IC 4015 and IC 4016) were resolved at 322x. The southern member IC 4016) is faint, extremely small, round, 6" diameter. The centers of the two galaxies are separated by just 19". A mag 13.5 star is 44" E and a mag 15.0 star is just under 1' SSW. Situated 11' SW of NGC 4914.
Notes by Steve Gottlieb