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night-sky camera |
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night-sky camera [′nīt ‚skī ‚kam·rə] (optics) A simple camera mounted in a fixed direction to record trails of stars caused by the earth's rotation and the breaks in these trails caused by clouds, in order to determine the reduction, due to clouds, of the effective exposures of astronomical photographs. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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