M51 - Whirlpool Galaxy (7th April 2010)
This image is a combination of ten 30second exposures stacked using DeepSkyStacker and edited with the GIMP. Taken using a Canon EOS550d DSLR and Skywatcher 200p Newtonian on a driven, but unguided, EQ5 mount. I took over 20 shots but a lot had to be discarded due to star trails and passing clouds. ISO 1600 was used, as the sensor in this new camera is much better than my old one.
An alternative method of processing the same frames. As always, it's in the eye of the beholder.
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