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Supernova 2011fe (PTF11kly or PSN J14030581+5416254)

I just got back from a dark-sky trip to Mahogany Flat Campground in Death Valley National Monument. I captured this image of the recently discovered supernova in Messier 101.

Messier101 Supernova 2011fe 20110829 0357UTC

Click the photo for the full resolution version.

The image was taken with an unmodified Canon 5D Mark II through a Celestron 80ED refractor mounted piggyback on a C8 on a CGEM mount.  I took 12 exposures each 5 minutes long for this shot.  I combined & processed them using Nebulosity.  I haven’t taken the time to get a magnitude from this photo, but comparing it to earlier photos, the supernova is definitely getting brighter very quickly.