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Canyoning on Mars
OK, it's nothing like as good as John's image, but a good few details coming from my 200mm scope again. Valles Marineris taking centre stage, and Acidalia Planitia, the north pole and Olympus Mons also in view.
Best 1800 from 13,000 frames, ASI185MC, 200mm f/5 reflector at f/30, processed with FireCapture, PIPP and Registax, and a little adjustment in Photoshop.
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