After a year without any easily visible comets, two have arrived at once. On Tuesday, Oct. 14, 2025, Comet Lemmon (C/2025 A6) will show in both the evening and morning skies in the constellation Ursa Major, while Comet SWAN (C/2025 R2) will be visible after sunset in Serpens. Binoculars are needed to see them both — with Comet Lemmon being significantly brighter —but over the next week, these comets are likely to brighten steadily as they reach their closest to Earth. Their best showing is expected around Oct. 20-21 during both a new moon and the peak of the Orionid meteor shower.
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