Auroral activity, 2016 Oct 20–Dec 25
With no coronal mass ejections and sunspot numbers only just in double figures or at zero, all the aurora sightings
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Archives
Newly discovered planetary drawings by Warren de la Rue and others
In the 2015-’16 Report of the Council (Journal, 126(5), 298 (2016)) the Archivists mentioned a donation from the family of
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The 2016 George Alcock Memorial Lecture: Systematic visual photometry of variable stars
Visual photometry is the earliest form of photometry of variable stars, but is today considered to be of limited value due to its low accuracy compared with photometry undertaken by electronic means. This presentation is intended to challenge this view.
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