Kilborn, Virginia AStaveley-Smith, ListerMarquarding, MWebster, Rachel LMalin, DavidBanks, G DBhathal, Rde Blok, W J GBoyce, PeterDisney, Mike JDrinkwater, Michael JohnEkert, PaulFreeman, KennethGibson, Bradley KHenning, P AJerjen, HelmutKnezek, Patricia MKoribalski, Baerbel SMinchin, R FMould, JeremyOosterloo, TPrice, R NPutman, Mary ERyder, StuartSadler, Elaine MStewart, Ian MStootman, FWright, A E2015-12-132015-12-130004-6256http://hdl.handle.net/1885/89156We report the discovery, from the H I Parkes All-Sky Survey (HIPASS), of an isolated cloud of neutral hydrogen, which we believe to be extragalactic. The H I mass of the cloud (HIPASS J1712-64) is very low, 1.7 × 107 M⊙, using an estimated distance ofKeywords: Galaxies: formation; Galaxies: irregular; Radio emission lines20002015-12-12