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A Timeline Of Comet ISON's Dangerous Journey (click to enlarge)
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A Timeline Of Comet ISON's Dangerous Journey
Date: 16 Jul 2013

This image shows the predicted hour-by-hour position of Comet ISON in various instruments on one of NASA's Solar Terrestrial Relations Observatory spacecraft between 1 a.m. EST on 26 Nov. 2013, and 7 p.m. EST on 29 Nov. 2013. The blue field of view is from the outer coronagraph and green from the inner coronagraph.

Credit: NASA/STEREO/Goddard Space Flight Center

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