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M 33, Pinwheel Galaxy

Submitted 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