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ASNH Events (stargazing, meetings, public events) for October

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ESO European Southern Observatory ESOcast

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Clearest image ever of Betelgeuse’s companion | ESO News

Posted on: 28 Jul 2026, 8:00 am


Astronomers have finally obtained firm evidence that Betelgeuse, a famous star in the Orion constellation, is not alone. Using ESO’s Very Large Telescope (VLT) they have obtained the clearest image ever of what likely is Betelgeuse B, a star orbiting Betelgeuse and which could explain some of its brightness variations. This video summarises the discovery.

NASA Image Of The Day

NASA Image of the Day

The latest NASA "Image of the Day" image.

Artemis II Heat Shield After Splashdown
16 Oct 2026

Shortly after Artemis II splashdown on April 10, 2026, U.S. Navy divers captured underwater imagery of the Orion spacecraft’s heat shield.

Artemis II Heat Shield After Splashdown

Chandra Finds Possible Origin of 'Treble Clef' Waves
15 Oct 2026

Astronomers have used NASA’s Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they have nicknamed the “Treble Clef” because its distinct shape strongly resembles the musical symbol.

Chandra Finds Possible Origin of 'Treble Clef' Waves

APOD for Today

Astronomy Picture of the Day

Astronomy Picture of the Day

Astronomy News

Universe Today

The Flavor of Neutrinos Could Determine How a Large Star Dies
Posted on: 16 Oct 2026

Neutrinos come in three different flavors. A new study finds that neutrino flavor could play a significant role in whether a dying star becomes a supernova or collapses directly into a black hole.

A Radio Phoenix Beyond the Zone of Avoidance
Posted on: 16 Oct 2026

Years ago, astronomers spotted a strange radio formation beyond the Zone of Avoidance. The formation resembles a treble clef, a symbol in musical notation, and the nickname has stuck. Determining what created it has been difficult, but new research has revealed that the Treble Clef is a radio phoenix.

Faces of the Moon A new book by ASNH member Bob Crelin Click the book below for information on the book

There Once Was A Sky Full Of Stars A new book by ASNH member Bob Crelin Click the book below for information on the book

The 100 Best Targets for Astrophotography A new book by ASNH member Ruben Kier Click the book below for a review from Springer.com