A deep V-band image of the nearby spiral galaxy M81, taken using the Large Binocular Telescope (LBT) built from a series of shorter images being used to identify variable stars, failed supernovae and supernovae progenitor stars by monitoring the time variability of stars in the galaxy.
Visit Website | Image credit: C.S. Kochanek, K.Z. Stanke, J.L. Prieto, Department of Astronomy, The Ohio State University; Large Binocular