NGC 3949 is an unbarred spiral galaxy in the constellation Ursa Major, approximately 50 million light-years away from the Earth.

It was discovered by German-British astronomer William Herschel on 5 February 1788.

[2] NGC 3949 is a member of the M109 Group, a group of galaxies located in the constellation Ursa Major that may contain over 50 galaxies.

[3][4][5] One supernova has been observed in NGC 3949: SN 2000db (type II, mag.

[6][7] This spiral galaxy article is a stub.