DescriptionComet 21P Giacobini-Zinner September 2018.jpg
English: Comet 21P/Giacobini-Zinner. Shot on 09 Sep 2018 from Moscow Region, Russia. Used Canon 600D and guided Celestron AVX 8" with focal reducer. Stack of 73 frames * 2 minute each (plus calibration frames). Calibration and processing in PixInsight 1.8.
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