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M 101, NGC 5457

Submitted November 30, 2012 by Planewave Instruments

© van den Berg, Mike; Ippel, MathijnAn image of M101 with supernova 2011 made with two telescopes, a Planewave CDK17 for the luminance data and a PlaneWave CDK12,5 for the RGB data.

LRGB = 3720:510:510:480 minutes.

CDK17 luminance data: 124 x 30 minutes
CDK12,5 red and green: 17x 30 minutes
CDK12,5 blue: 16 x 30 minutes. Binning mode 1×1.
We used a SBIG STL-11000M CCD & AO-L
Imaging date march 2012