Composite by Richard Sword, Institute of Astronomy, University of Cambridge/Gemini Observatory/Isaac Newton Telescope
Massive Old Star Reveals Secrets On Deathbed
Gemini GMOS image of M-74 (NGC 628) with inset (left) showing pre-explosion star (enhanced) from Gemini image and (right) SN2003gd after it exploded from Isaac Newton Telescope when the supernova was 6 months old.
