JOHN CHUMACK / SCIENCE PHOTO LIBRARY JOHN CHUMACK / SCIENCE PHOTO LIBRARY
Jupiter with its moon Europa (left), and shadow transit (black spot on Jupiter) on September 24, 2013. From an observer on Jupiter, this would be a solar eclipse. DMK21 AF04 firewire camera, 5x barlow, and 10 sct scope; 600 frames stacked.
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