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Jupiter, Ganymede, Spot and shadow
Great viewing of Jupiter on 20th May - Ganymede and shadow, Io disappearing, and I'm reasonably convinced that the bright spot on Ganymede's lower right is a perfect location match for the bright rayed crater Osiris. About as much detail as I've caught on the Red Spot too.
Each image is a stack of 2300 frames, 200mm f/5 Newtonian at f/30, ASI185MC camera, stacked and processed in Firecapture, PIPP, Registax and Photoshop. R,G and B channels stacked separately and recombined (doesn't always produce good results, but this time it really helped). Seeing was excellent for the first frame.
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