Astronomy on MSN

See Comet Lemmon at its brightest

Comet C/2025 A6 (Lemmon) is currently a 5th-magnitude fuzzball low in the northwestern sky. This means that, from a dark site, sharp-eyed observers could glimpse it with their naked eyes. And it's ...

Double comet alert! Comets Lemmon and SWAN will reach their brightest this week — here's how to spot them

Comet Lemmon (C/2025 A6) makes its closest approach to Earth on Oct. 21, about 24 hours after the fainter Comet SWAN (C/2025 ...