Four image montage of images taken by Rosetta’s navigation camera from an average distance of 20.2 km from the comet centre on 28 March 2015. The scale at this distance is 1.7 m/pixel and the size of each 1024 x 1024 pixel frame is 1.8 km.
More information and the original images via the blog: CometWatch 28 March – 14 km flyby
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