SN 2005cs in M51 - Before Progenitor Star's Explosion
SN 2005cs in M51
About 27 million light-years (8.3 Megaparsecs)
3 arcseconds (400 light-years or 120 parsecs) wide
The Hubble image was created from HST data from proposal 10452: S. Beckwith (STScI), R. Kennicutt Jr. (University of Arizona), and The Hubble Heritage Team (STScI/AURA).
NASA, ESA, W. Li and A. Filippenko (University of California, Berkeley), S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA)