NGC 2154 (also ESO 86-SC42) is a magnitude +11.8 open star cluster located in the constellation Dorado.
The open cluster was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Feldhausen, Claremont, Cape Town on the 2nd November 1834.
Right Ascension 05h 57m 38.3s, Declination -67° 15' 44"
