Topline
Two green comets — Lemmon (C/2025 A6) and SWAN (C/2025 R2) — are becoming visible from the Northern Hemisphere in binoculars or a small telescope. They’ll get brighter around Oct. 20-23 as the Orionid meteor shower peaks, but comet…
Two green comets — Lemmon (C/2025 A6) and SWAN (C/2025 R2) — are becoming visible from the Northern Hemisphere in binoculars or a small telescope. They’ll get brighter around Oct. 20-23 as the Orionid meteor shower peaks, but comet…