Hermann Kobold discovered IC 4621 = K. 2-36 on 15 May 1890 (published in 1898) with the 18-inch refractor at Strasbourg. He identified this object as Kobold 10 (his 10th discovery) in his 1907 compilation of positions in Strasbourg Annales, Vol. 3, 1907.

600/800mm - 24" (8/25/19): at 375x; fairly faint, fairly small, slightly elongated, 30"x25" NW-SE, weak concentration, slightly mottled or irregular surface brightness (probably the halo of a spiral). A mag 11.8 star is 1.2' NW and a mag 14 star is 1.4' E. Situated very close to the Ophiuchus border.

Notes by Steve Gottlieb