Comets in the Night Sky November–December 2025: How to See Lemmon, ATLAS and Interstellar Visitor 3I/ATLAS Tonight (24 November)
Updated: 24 November 2025 On this late November night, the sky is crowded with icy visitors. A bright green comet, a shattered golden comet, a new long‑period “Swan,” and a rare interstellar comet are all sharing the stage — and today, 24 November 2025, they’re also making headlines. NASA has just released close‑up images of interstellar comet 3I/ATLAS from spacecraft orbiting Mars, while astronomers continue to track the evolving fragments of C/2025 K1 (ATLAS) and the still‑naked‑eye C/2025 A6 (Lemmon).Universe Today+2IFLScience+2 Below is your practical, observer‑friendly guide to which comets you can actually see in the sky in late November and through December 2025, plus a rundown of