Guide to Viewing October's Bright Comets Lemmon and SWAN
TL;DR
Two green comets, Lemmon and SWAN, are visible in the night sky in October 2025, with Lemmon visible in the pre-dawn northern sky and SWAN after sunset in the southwestern sky, both becoming brighter as they approach their closest points to Earth around October 20-21.
- Comet Tracker For Sunday: When And Where To See Comets Lemmon And SWAN Forbes
- How to see two bright, once-in-a-lifetime comets with your naked eye The Washington Post
- Two greenish comets are streaking across the night sky this month NBC News
- How to find Comet Lemmon in the night sky as it brightens this October Space
- October skies will light up with two comets. Here's how to see them. USA Today
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