M27 Dumbbell Nebula
The Dumbbell nebula (M27). Processed using DSS.
Hardware details: Camera: Canon 600D. Telescope: SW Evostar 120 with Baader UHC-S filter. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 40 x 3min at ISO 800, Darks: 20 x 3min 0 sec at ISO 800 (from dark library), Lights and darks separated by 30 sec intervals. Flats: 50 x 1/50s at ISO 800, Bias: 50 x 1/4000 at ISO 100
Date of capture 05/06/2016. Atmospheric transparency was good. Auto guiding was stable.
I increased the saturation by 25% and manually aligned the colour channel histograms. I stretched the red colour histogram more than the green or blue to increase its contrast. The 600D is astro modded so does pick up H alpha in the red so the result is far better than the old D200. 2x drizzling was done on this stack.
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