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M 101, The Pinwheel Galaxy

Submitted November 30, 2012 by Planewave Instruments

© van den Berg, Mike SBIG STL-11000M CCD-camera.

The filterset is from Baader (Germany), for the luminance channel and the UHC-S.

LUMINANCE: 20 x 20 minutes. Binningmode 1×1

RED, GREEN and BLUE for each color 6 x 10 minutes in 2×2 binning mode.
Thus LRGB = 400:60:60:60 minutes.

Data acquired on 6,14,15,19 and 20 may 2010.

The imagescale is 0,63″pixel.