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Fig. 9.


Time sequence of the I-band brightness of the impact detected by the NELIOTA system at 04:35:09.967 UT on December 14th, 2017 (event ID 30). The magenta contours show the 500 ADUs level, corresponding to approximately S/N of 2 detection threshold. The leftmost and rightmost panels are the frames before and after the event and are also displayed for comparison purposes. The time of the beginning of the exposure of each frame is also indicated in each panel (with the start of the event occurring at t = 0 msec). The size of each panel is 110 × 85 arcsec.

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