NGC 3345 is a magnitude +9.7 double star located in the constellation Leo.
The pair of stars were discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshire, on the 19th March 1784.
Right Ascension 10h 43m 31.9s, Declination +11° 59' 09"
