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Fig. A.3

image

25 WAC images from a sequence acquired on 22 November 2015 from a distance of 29 km and a sub-spacecraft latitude of –57°. The sequence shows the diurnal variation of activity over 10.8 h of rotation (88% of the total period). Each view is separated from the previous one by about 20 min (10° of nucleus rotation). There is a gap of 2 h between the fourth and last rows and after the last image due to spacecraft navigation slots. The Sun and the comet’s north pole are pointing up in these images. Brightness levels are stretched linearly to emphasize the 5% least bright pixel values.

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