Resources

• How to Hunt for Supernova Fossils in the Milky Way - S&T June, 2008
  
  Sky and Telescope
• Scattered-Light Echoes from the Historical Galactic Supernovae Cassiopeia A and Tycho (SN 1572)
  
  arXiv.org
• Light Echoes from ancient SN in the LMC
  
  CTIO
• CCD Field of View Calculator
  
  ccdimages.com