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Archives

C/2023 R1 (PANSTARRS) fragmentation

On 2026 July 10 J-F Soulier reported a possible condensation in the tail of C/2023 R1 on comets-ml from images

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Lunar Section Circular – July 2026

Here is the Lunar Section Circular for July. Lots of exciting material this month. Please make a note of the

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Deep Sky Update – July 2026

June has seen really bright skies in Orkney when clear, so no deep sky observing for me this month. There

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New B.A.A. Guide to Jupiter’s Atmospheric Phenomena

The BAA Jupiter Section has posted an important new resource:   ‘The B.A.A. Guide to Jupiter’s Atmospheric Phenomena since 1990’.  This

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Mars Opposition Blog 2026 June 30

A number of observers have now joined in, making a total of seven. A list of them will become available

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Uncategorised 

Observer’s Challenge – Moon, Venus, Jupiter & Mercury on June 17

16 June 202622 June 2026 Callum Potter

On the evening of June 17th the planets Venus, Jupiter and Mercury will be joined by the crescent Moon in

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R.I.P. Candice Hansen

We are very sad to report that Dr Candice J. Hansen-Koharchek (Candy Hansen), leader of the JunoCam team in NASA’s

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Galilean moon occultation sequence using WinJupos.

Mutual events of the Galilean satellites 2026-27

Jupiter passes through its equinoxes twice in every 12-year orbital period, when the Sun lies directly above the equator. At

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Lunar Section Circular – June 2026

Here is the Lunar Section Circular for June. Tim and his team have been exceedingly busy with occultations. Peter Anderson,

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Deep Sky Update – June 2026

We’ve had a few nice days in Orkney in April, but not the heatwave experienced by those down south. A

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