NGC 813

NGC 813 is a lenticular galaxy in the constellation Hydrus. It is estimated to be 390 million light-years from the Milky Way and has a diameter of approximately 140,000 ly. NGC 813 was discovered on November 24, 1834, by the British astronomer John Herschel.

One supernova, SN 2020abzv (type Ia, mag. 16.6), was discovered in NGC 813 on 9 December, 2020.