Two comets are becoming brighter in the night sky this weekend — Friday, Oct. 17 through Sunday, Oct. 19 — and could be on the cusp of naked-eye visibility. Predicted to reach their peak brightness during the new moon and the Orionid meteor shower early next week, Comet Lemmon (also called C/2025 A6) and Comet SWAN (C/2025 R2) can be found after sunset in opposite parts of the sky. The brighter Comet Lemmon will glow in the northwest, while Comet SWAN will sit low in the southwest. For the best chance to see them, look during a 30-minute window beginning about 90 minutes after sunset — and bring binoculars.
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