This single frame Rosetta navigation camera image of Comet 67P/Churyumov-Gerasimenko was taken on 1 June 2015 from a distance of 209 km from the comet centre. The image has a resolution of 17.8 m/pixel and measures 18.2 km across.
The original image and more information is available on the blog: CometWatch 1 June
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