NGC 3953
NGC 3953 is a barred [spiral galaxy|barred] spiral galaxy located in the constellation Ursa Major. It was discovered by Pierre Méchain on 12 March 1781. The galaxy is known to exhibit an inner ring structure that encircles the bar.
NGC 3953 is a member of the M109 Group, a large group of galaxies located within the constellation Ursa Major that may contain over 50 galaxies.
Two supernovae have been identified within NGC 3953: the type Ia supernova SN 2001dp and SN 2006bp.