AAVSO Alert Notice 446: SUPERNOVA 2011fe in M101 (NGC 5457) = PSN J14030581+5416254AAVSO Alert Notice 446: SUPERNOVA 2011fe in M101 (NGC 5457) = PSN J14030581+5416254
AAVSO Alert Notice 446<br /> SUPERNOVA 2011fe in M101 (NGC 5457) = PSN J14030581+5416254<br /> August 26, 2011 <p><strong>Discovered by:</strong> The Type Ia supernova science working group of the Palomar Transient Factory: