A Supernova Captured by ASAS-SN (IMAGE)
Caption
On the left is a Sloan Digital Sky Survey archival image of a galaxy some 400 million light years away in which the All-Sky Automated Survey for Supernovae (ASAS-SN, pronounced 'assassin') detected a bright supernova on Jan. 3, 2015. On the right is an image submitted by ASAS-SN amateur contributor Seiichiro Kiyota of the Variable Star Observers League in Japan, which confirmed the existence of the supernova.
Credit
ASAS-SN image courtesy of The Ohio State University
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