SN 2019ehk's host galaxy, Messier 100 (IMAGE) W. M. Keck Observatory Caption Hubble Space Telescope image of SN 2019ehk in its spiral host galaxy Messier 100. The supernova is identified in red. Credit Charlie Kilpatrick, UC Santa Cruz 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.