600/800mm - 24" (8/12/15): at 375x; extremely faint, fairly small, elongated 2:1 NW-SE, ~20"x10", very low surface brightness! A mag 13 star lies 1.3' SE. Located 4.6' ESE of IC 5144 and 2.4' SE of CGCG 427-040. Faintest in this triplet.