NGC 381 (also OCL 317) is a magnitude +9.3 open star cluster located in the constellation Cassiopeia.
The open cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Windsor Road in Slough, Berkshire, on the 3rd November 1787. .
Right Ascension 01h 08m 19.9s, Declination +61° 35' 02"
