Interstellar comet 3I/ATLAS (aka C/2025 N1 ATLAS) and its ion tail – 19 Nov. 2025.

We imaged the interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) under good sky conditions, recording its fascinating ion tail.

The interstellar comet 3I/ATLAS, imaged on 19 Nov. 2025.

The image above comes from the sigma-clipping…

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