Guillaume Bigourdan discovered IC 140 = B. 130, along with numerous other HII regions and star clouds in M33, on 28 Oct 1889. See IC 135.

400/500mm - 17.5" (10/25/97): located SSW of IC 139 in M33 and visible as an easy knot, ~1' in diameter with ill-defined edges. There is a second knot close west which is slightly fainter.

Notes by Steve Gottlieb