A Supernova Captured by ASAS-SN (IMAGE) Ohio State University 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 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.