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Noctilucent cloud over Britain & Western Europe, 2021

A report of the Aurora & Noctilucent Cloud Section. Director: S. Brantingham. This paper describes conditions leading to noctilucent cloud

In this article, we examine two dome-like features which we identify as Lichtenberg 1 and 2, located in Oceanus Procellarum

One of the BAA’s most famous members was Sir Patrick Moore. He was born on 1923 March 4, so this

RY Sgr is a yellow supergiant of the R Coronae Borealis type. As is typical for this class, its light

With coronal mass ejections, sunspot numbers that are regularly in double or even triple figures, and several coronal holes, the

While a touch of cloud added drama to some observations (see above, by Pauline Phillips from Newbury at 09:50

A report of the Comet Section. Director: N. D. James. This report describes and analyses the observations of the brighter

The Revd George Fisher (1794–1873) started his career at an insurance company, but came to the attention of Royal Society

We present the light curve of the dwarf nova DDE 39 (= 1RXS J040253.8+435553) between 2011 October and 2021 January,

A report of the Mars Section. Director: R. J. McKim. In Part I, we described the evolution and behaviour of