Observations of a major solar flare, revisited
Hydrogen-alpha observations of a major flare from 2003 November are revisited. Introduction 2023 November marks the 20th anniversary of
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Archives
The brighter comets of 2020
A report of the Comet Section (Director: N. D. James) This report describes and analyses the observations of the brighter
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From the BAA Archives
Towards the end of 2022, the BAA Trustees agreed to fund the development of an Archives website. Its main purpose
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Condor reveals a second eruption shell of the dwarf nova
Z Cam is a cataclysmic variable star whose visual magnitude varies between 10 and 14. This system is the prototype
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A new outreach discussion forum
Just launched, AstroMailbox is a new astronomy communicators’ e-mail discussion list which brings together anyone interested in astronomy outreach. It
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The 2023–2024 western elongation of Venus: interim report
On 2023 Aug 13, Venus passed through inferior conjunction and returned to the morning skies, embarking on the 2023–’24 western
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Comet prospects for 2024
Long-period comet 2023 A3 (Tsuchinshan–ATLAS) promises to be bright. Halley-type 12P/Pons–Brooks makes a return and may reach 4th magnitude. Three
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Sky notes for 2023 December & 2024 January
The long nights of deep winter are dreaded by most but adored by astronomers. Clear, frosty, transparent evenings, with Orion
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A chronology of some lunar drawings by Galileo Galilei
By taking into consideration the morphological features along the terminator in some of Galileo’s watercolour portraits of the Moon, found
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Noctilucent cloud over Britain & Western Europe, 2022
Noctilucent cloud forms in the mesosphere at an altitude of about 83km and appears annually in northern latitudes between the
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