Comet C/2025 A6 (Lemmon) (bottom of the image) and Gemma (main star in the constellation Corona Borealis) (top of the image) on 24 October at 20:33 CEST from Wedemark, north of Hanover, Germany.
The straight, bluish plasma tail is visible over a length of ~6° (12 full moon diameters). The curved dust tail is a lot shorter.
Crop from a stack of 51 2-second images at ISO 5000, f/2.8, and f=200 mm.
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