Triangulum pinwheel galaxy

M33 galaxy (the Triangulum "pinwheel" galaxy) obtained through wideband LRGB filters and a narrowband H alpha filter, total exposure of 26,5 hours. Image shown at 66% of size
Equipment: Vixen VC200L scope. ASA DDM85 mount. SBIG STL11000 camera. Filters: Luminance, Blue, Red, Green and H alpha.
Location: Pozuelo (Madrid suburbs)
Date: September and October 2011
Exposures: 120x5 min Luminance, 7x15 minutes Blue, 7X15min Green, 8X15 min Red and 11x60 min Halpha