The picture is assembled with LRGB technique. The L-component is taken through C and R filters (10 and 30 min respectively) binned 1x1. The colour components are B, V and R (12, 4 and 4 min respectively) binned 2x2. All individual exposures are calibrated with bias, dark and flat. Aligning, combining, sharpening, stretching, cropping and LRGB in MaximDL/CCD. Colour saturation and final retouch in Photoshop.
