Changes in the ion tail of comet 12P/Pons-Brooks at intervals of 7.3 hours. The series of images were taken on the evening of February 15 and the morning of February 16 with 11" RASA and QHY600. Frame 1-6 feb 15 18.10-52 Frame 7-12 feb 16 3.36-4.13 Michael Jäger |
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