• Key Information

  • S Andromedae

  • Type
    Type 1a Supernova Remnant
  • Diameter
    Unknown
  • Distance
    2,600,000 light years
  • Date of Discovery
    20 August 1885
  • Learning Point
  • S Andromedae was the first recorded supernova that was seen by humans that occurred outside of our galaxy, and the only one observed in the Andromeda Galaxy until now. When it was first seen, no one understood what it was.
  • Project
  • Create a list of some known supernova, and identify how do we record or name them.
  • Location
  • Located in
    Andromeda Galaxy in Andromeda
  • Fun Facts
  • Several astronomers are thought to have seen the supernova over several days in 1885, with amateur astronomer Isaac Ward being credited with it.
  • It was the first supernova recorded by man that was from outside of our galaxy.
  • It took more than a century to identify the supernova remnant, confirming its location in the Andromeda Galaxy.
  • It doesn't seem to have formed from a collision between two stars, and was a Type 1a Supernova.