Caldwell 53 (IMAGE) University of Hawaii at Manoa Caption Caldwell 53 (NGC 3115) is most notable for the supermassive black hole that can be found at its center. Credit NASA, ESA, and J. Erwin (University of Alabama) Usage Restrictions No restrictions. License Public Domain 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.