* Astronomy

NGC 1840 (also ESO 56-SC62) is a magnitude +11.8 open star cluster located in the Large Magellanic Cloud in the constellation Mensa.

The 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 3rd November 1834. 

Position (J2000): R.A. 05h 05m 19.2s  |  Dec. -71° 45' 47"