NGC 3791 (also MCG -1-30-20 and PGC 36156) is a magnitude +13.4 lenticular galaxy located 254 million light-years away in the constellation Crater.
The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Windsor Road, Slough, on the 22nd February 1787.
Right Ascension 11h 39m 41.6s, Declination Dec Dec -09° 22' 00"
