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M 33, Pinwheel Galaxy
Submitted November 30, 2012 by Planewave Instruments
© van den Berg, Mike; Ippel, MathijnAn image of M33 made in september and october 2011 under very good seeing conditions.
PlaneWave CDK17 (Luminance): 33 x 30 minutes.
PlaneWave CDK12,5 (RGB): 6×30 min.; 6×30 min.; 6×30 min.
LRGB = 990:180:180:180 minutes.
SBIG STL-11000M CCD & AO-L