NGC 3668 (also IRAS 11225 +6343, MCG 11-14-23, UGC 6430 and PGC 35123) is a magnitude +12.3 face-on barred spiral galaxy located 161 million light-years away in the constellation Ursa Major.
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 20th March 1790.
Right Ascension 11h 25m 30.3s, Declination +63° 26' 47"
