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摘要

Anthony Wesley The dark plain of Syrtis Major and white clouds over Hellas basin dominate the view at top, captured April 29th at 17:58 Universal Time. In the lower image, taken May 14th (16:41 UT), a bright ring marks the towering, Arizona-size volcano Olympus Mons. North is up. Details: 16-inch Newtonian reflector with Point Grey GS3-U3-32S4M video camera and Astrodon I-series RGB filters. Exposure: 1/30-second video frames, 90 seconds per filter.