Group Challenge: M51 - The Whirlpool Galaxy  
M51, The Whirlpool Galaxy

M51, The Whirlpool Galaxy(Tim Schuurman)

Acquisition Date : April 22 and May 1 2011
Camera : Baader ACF modded Canon 350D with direct peltier cooling (not active yet)
Camera Settings : M51 36x5 min. lightframes (10x on April 22 and 26x on May 1), 24x5 min. darks, 20x 0,001 sec bias and 20x 0,002 sec flats with laptop backlight, all ISO800.
Telescope : Skywatcher 8" Blackline Newton
Mount : Skywatcher NEQ6-pro controled by EQmod/CdC, guide by QHY5/9x50 finderguider
Adapter / Prime / Afocal / Other : Prime
Processing Package / Processing Applied : Capture: Nebulosity 2.3.0
Calibration, registration, stacking(kappa-sigma): DSS 3.3.0
Post-processing:Nebulosity (Color balance) and Photoshop CS3 (Gradient removal, Levels, Curves, Saturation)

Position 4 overall, due to these votes:
Vote for this image:One vote


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