Supernova Abell 399 (IMAGE) University of California - Berkeley Caption Abell 399, one of four apparently hostless supernovae discovered by the Canada-France-Hawaii Telescope (left, 2009), may be part of a small galaxy or globular cluster visible on the 2013 HST image (circle in right image). Credit Image by Melissa Graham, CFHT and HST 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.