NGC 1831 (also ESO 85-SC44 and GC 1042) is a magnitude +11.18 open cluster in the Large Magellanic Cloud located in the constellation Dorado.
The cluster was discovered by Scottish astronomer James Dunlop using a homemade 9-foot 22.86 cm (9 inch) f/12 speculum Newtonian reflector at Paramatta, New South Wales, Australia, on the 3rd August 1826.
Right Ascension 05h 06h 16.2m, Declination -64° 55' 07"