DeLisle Stewart found IC 1830 = D.S. 162 on a photographic plate taken in 1901 at Harvard's station in Arequipa, Peru. He noted "vF, S, susp, ef* 1.5' sp." Lewis Swift discovered this galaxy on 6 Sep 1897 and recorded Sw. XI-42 as "pB; cS; R, 8m * near preceding." His RA is 38 seconds too small so Dreyer assumed the two objects were different, but the equivalence IC 1826 = 1830 is certain.

400/500mm - 17.5" (12/9/01): moderately bright and large, elongated 4:3 WNW-ESE, 1.2'x0.9', brighter core. A mag 10.5 star (SAO 167947) lies 1.3' W of center.

Notes by Steve Gottlieb