Astronomers found a supernova pair in the NCG 1316 galaxy:
The supernova pair sits in a galaxy known as NCG 1316 and apparently occurred within five months of one another. Most galaxy are home to maybe three supernovas per century but NGC 1316 has hosted some four stellar explosions in the 26 years astronomers have recorded its history, making it the most prolific supernova produce known to date.
At the right of this image is the supernova SN 2006dd, which exploded on June 19 of this year and remains visible. Immediately to the left is the supernova SN 2006mr. It erupted on Nov. 5.
The bright spot at the center is NGC 1316’s core. The object at the far left is a star in the foreground.