S Andromedae was a supernova in the Andromeda Galaxy, the only one seen in that galaxy so far by astronomers. It is also known as "Supernova 1885".
It was discovered on August 201885 by Ernst Hartwig, working at Dorpat Observatory in Tartu, Estonia. It reached magnitude 6, but faded to magnitude 16 by February 1890.
This article is a stub. You can help Wikipedia by [ ṣlocalurl: : |action=edit}} expanding it].