This single frame Rosetta navigation camera image of Comet 67P/Churyumov-Gerasimenko was taken on 21 September 2015 from a distance of 330 km from the comet centre. The image has a resolution of 28.1 m/pixel and measures 28.8 km across. It has been contrast enhanced to better reveal the nature of the comet’s activity.
The original image and more information is available on the blog: CometWatch 21 September
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