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Credit & Copyright: Victor Sabet &
Julien De Winter
Explanation:
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.
Growing Gallery:
Comet Lemmon in 2025
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: comet
Publications with words: comet
See also:
- APOD: 2025 September 29 Á Two Camera Comets in One Sky
- APOD: 2025 September 26 Á A SWAN an ATLAS and Mars
- APOD: 2025 September 18 Á Comet C/2025 R2 SWAN
- APOD: 2025 September 16 Á New Comet SWAN25B over Mexico
- APOD: 2025 July 7 Á Interstellar Comet 3I ATLAS
- Comet C/2025 F2 SWAN
- APOD: 2025 February 5 Á Comet G3 ATLAS Setting over a Chilean Hill