NGC 809

NGC 809 is a lenticular galaxy located in the constellation Cetus about 249 million light-years away from the Milky Way. The redshift of the galaxy is 0.017 and it was first discovered by the American astronomer named Lewis Swift in November 1886.

Supernovae

Two supernovae have been observed in NGC 809:SN 2006ef was discovered by the Lick Observatory Supernova Search on 18 August 2006.SN 2025yn was discovered by ATLAS on 21 January 2025.