Comet Lemmon is
brightening and moving into morning northern skies. Besides Comet SWAN25B and Comet ATLAS, Comet C/2025 A6
(Lemmon) is now the third
comet currently visible with binoculars and on long camera exposures. Comet Lemmon was discovered early this year and is still
headed into the inner Solar System. The comet will round the Sun on November 8, but
first it will pass its nearest to the Earth — at about half the Earth-Sun distance — on October 21. Although the brightnesses of
comets are notoriously hard to
predict, optimistic estimates have Comet Lemmon then becoming visible to the unaided eye. The comet should be best seen in predawn skies until
mid-October, when it also becomes visible in evening skies. The featured image showing the comet’s split and rapidly changing
ion tail was taken in Texas, USA late last week.
Image & info via APOD
Image Credit & Copyright: Victor Sabet & Julien De Winter
Source: Comet Lemmon
Brightens – Scents of Science
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