Supernova SN2014J in M82

A Type 1a supernovae has exploded in the irregular galaxy M82. Type 1a supernovae are used as “standard candles” and they have a known relationship between the peak brightness and its rate of decay. They can be used to accurately measure the distance to the galaxy.

4 images x 420-seconds subframe, Total= 28 minutes, 8-inch Celestron Super C-8 Schmidt-Cassegrain f/10 (imaged at f/6.3), Unmodified Canon 20D DSLR, Astronomik CLS Light Pollution filter, ISO 800, Losmandy Gemini G-11 EQ mount. Acquisition by Images Plus 4.0a, Calibration, normalization, alignment, combine and digital development processing by Images Plus 3.82b, Additional processing using Adobe Photoshop. Enlarged. ATMoB Clubhouse, Westford, MA, 7 February 2014