Supernova 1987a was seen in the Large Magellanic Cloud on 23rd February 1987. At other times in history, different supernovae had been visible like Ophiuchus supernova by Kepler and SN 1054.
Supernova 1987a was seen in the Large Magellanic Cloud on 23rd February 1987. At other times in history, different supernovae had been visible like Ophiuchus supernova by Kepler and SN 1054.
