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M13 The Great Globular Cluster in Hercules


M13 The Great Globular Cluster in Hercules

M13 captured by Orion ED80 mounted on a Nexstar SE alt az mount, Nikon D3100 taking 12 20sec shots. ISO 3200. Stacked in DeepSkyStacker, saved as a 16bit Tif, then Registax6 used to tweak. Pixlr for crop.






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