Two supernova in six years.

The left panel image was produced with a Takahashi Mewlon 300 (12-inch) telescope and aSBIG ST-10XME camera between December 14, 2004 and January 15, 2005. Exposure times: 585 minutes Luminance, 120 minutes Red, Green and Blue (1X1).

The middle panel image was produced with a half meter RCOS telescope and a SBIG STL-11000 camera between July 1 and 7, 2005. Exposure times: 225 minutes Luminance, 45 minutes Red, 36 minutes Green, 54 minutes Blue (1X1).

The right panel image was produced with a RCOS half meter telescope, Apogee Alta U16M camera and Astrodon E-Series filters between May 5 and June 2, 2011 Exposure times: 480 minutes Luminance, 120 minutes Red, 120 minutes Green, 120 minutes Blue (All 1X1).

Image copyright 2005- 2011 R Jay GaBany







Comparison of SN2011ds and SN2005cs in the Whirlpool Galaxy (M51)-detail

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