NGC 4141

NGC4141 is a barred spiral galaxy in the constellation of Ursa Major. Its velocity with respect to the cosmic microwave background is, which corresponds to a Hubble distance of. However, two non-redshift measurements give a farther mean distance of. It was discovered by German-British astronomer William Herschel on 17 April 1789.
NGC4141 is listed as having an active galactic nucleus.

Supernovae

Two supernovae has been observed in NGC 4141:SN2008X was discovered by Scottish amateur astronomer Tom Boles, and independently by the Lick Observatory Supernova Search, on 7 February 2008.SN2009E was discovered by Tom Boles on 3 January 2009.