Our cover picture ...
… shows a bright Quadrantid fireball on 7 January 2018 at 21:07:35 UTC (22:07:35 CET), recorded with a MOBOTIX Q24 camera at the Lindenberg Meteorological Observatory. The individual frames of the video recording (https://youtu.be/7OOTGliZFkE) were added to a composite image. There were visual sightings from Potsdam and Köhlen (near Bremerhaven), and further images come from Potsdam (see the observation report on the Quadrantids on page 62) and Eberswalde:
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