comet lemmon

Latest about comet lemmon

How 2025 became the year of comet: The rise of interstellar 3I/ATLAS, an icy Lemmon and a cosmic SWAN

By Anthony Wood Published

Highlights from a cometary trio that captured our imaginations.

Comets
The Milky Way glows orange and yellow amidst the stars in the night sky, with a streak of white at the right side of the image where comet Lemmon moves across with a domed observatory and mountains silhouetted at the bottom
Comet Lemmon and Milky Way spotted over Hawaii | Space photo of the day for Dec. 12, 2025

By Kenna Hughes-Castleberry Published

Hawaiian stargazers got a particularly special treat recently.

Stargazing
A streak of white showing Comet Lemmon moves into a red and green aurora seen on the edge of Earth in space
'Like a mermaid swimming through a sea of auroras': ISS astronauts photograph 2 comets dancing above the northern lights

By Elizabeth Howell Published

"That moment feels as enjoyable as heading out on a date."

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Auroras
A streak of white showing Comet Lemmon moves into a red and green aurora seen on the edge of Earth in space
ISS astronauts see comet Lemmon 'absorbed' by aurora | Space photo of the day for Nov. 20, 2025

By Kenna Hughes-Castleberry Published

It's not every day you see both a comet and an aurora from low Earth orbit.

International Space Station
An image of a comet in black and white with lines streaking across the image.
Comet Lemmon photos are plagued by satellite streaks. Here's how amateur astronomers face the problem

By Anthony Wood Published

"Every single subframe I take (prior to stacking) now contains at least one, and usually more than one satellite streak."

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Astrophotography
A white streak of a comet's tail can be seen in the center of the image as it streaks diagonally from top right to lower left between the dark silhouette of rocks blocking part of the starry night sky
Comet Lemmon lights up the sky over Spain | Space photo of the day for Nov. 11, 2025

By Kenna Hughes-Castleberry Published

This image captures Comet Lemmon in dramatic fashion, its bright coma and faint tail arcing across the starfield.

Comets
A bright comet is pictured against a black starry sky with its bright central coma visible to the lower left of the image from which a bright tail extends to the upper left.
Trick or treat: Here's where to find comets Lemmon, SWAN and 3I/ATLAS in the Halloween sky

By Anthony Wood Published

Read on to discover where comets Lemmon, SWAN and 3I/ATLAS are in the Halloween night sky on Oct. 21 and find out if they're a stargazing trick, or a telescopic treat.

Stargazing
A comet is pictured with a bright nucleus in the lower right of an image against the blackness of space, with a long tail extending diagonally to the upper right of the shot. A spiral or light is pictured, appearing to wrap around the comet and its tail, created by the trail of a passing meteor.
Glowing meteor trail photobombs Comet Lemmon in incredible telescope footage. 'A pure perspective miracle'

By Anthony Wood Published

A meteor photobombed the patch of sky containing Comet Lemmon on Oct. 24, wrapping it in a glowing trail.

Astrophotography
a green fuzzy streak in the night sky
See Comet Lemmon cross paths with a cosmic serpent tonight

By Anthony Wood Published

Comet C/2025 A6 (Lemmon) will pass through the neck of the great celestial serpent represented by the constellation Serpens Caput on the nights of Oct. 26-27.

Stargazing
laptop graphic showing a comet on the screen and the words live streaming in the top right corner.
Watch comets Lemmon and SWAN make their closest approach to Earth on Oct. 24 (video)

By Daisy Dobrijevic Last updated

The livestream is scheduled to start at 1:30 p.m. EDT (1730 GMT) on Oct. 24.

Comets
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