Comet ISON Seen by Hubble (IMAGE) NASA/Goddard Space Flight Center Caption This photo of comet ISON was taken May 8, 2013, by NASA's Hubble Space Telescope. Credit NASA, ESA, and the Hubble Heritage Team (STScI/AURA) 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.