NGC 3437

NGC3437 is a barred spiral galaxy in the constellation of Leo. Its velocity with respect to the cosmic microwave background is, which corresponds to a Hubble distance of. Additionally, 17 non-redshift measurements give a similar mean distance of. It was discovered by German-British astronomer William Herschel on 12 March 1784.
NGC3437 is listed as a radio galaxy.

Supernova and luminous red nova

One supernova and one luminous red nova have been observed in NGC 3437:SN2004bm was discovered by the Lick Observatory Supernova Search on 25 April 2004.NGC 3437−2011OT1 was discovered by the Catalina Real-time Transient Survey on 10 January 2011. It was initially suspected of being a luminous blue variable, but later analysis concluded that it was a luminous red nova.