NGC 1810 (also ESO 85-SC35) is a magnitude +11.9 open star cluster 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 24th September 1826. The cluster was rediscovered by John Herschel in November 1834.
Right Ascension 05h 03m 23.3s, Declination -66° 22' 55"
