Franck Bugnet M81

Franck Bugnet M81

Taken with a SBIG ST-2000XM through a RCOS 12.5" using an AP reducer (working at 0.76x) on a Paramount ME mount with Astrodon filters from a fairly light polluted area, in France, 30 km south of Lyon. Exposures: 34 x 10 min for the luminance and 17 x 10 min per color; binning 2x2.