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© D Elijah
Credit If using this image please credit D Elijah.


M27 the Dumbbell Nebula. Processed using DSS. 

Hardware details: Camera: Nikon D200. Telescope: SW Evostar 120 with Baader UHC-S filter. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 21 x 3min at ISO 800, Darks: 20 x 3min 20sec at ISO 800 (from dark library), Lights and darks separated by 30 sec intervals. Flats: 40 x 1/40s at ISO 800, Bias: 30 x 1/8000 at ISO 100

Date of capture 30/04/2016. Increasing cloud stopped imaging after about 1 hour, some wind, seeing was reasonable. Guiding was not great in RA but fine in DEC, PA was ok - I think I might have knocked the scope at some point in the night.

I increased the saturation by 20% and manually aligned the colour channel histograms. No drizzling was done here - it was crashing my laptop.

Credit

If using this image please credit D Elijah.

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© D Elijah
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