top left – British Astronomical Association

Observation of Earth’s shadow over antisolar sky during sunset & sunrise

The colours of the sky have been studied for over 50 years, providing important information about the physical state of

An extensive survey of the 290 known satellites of the planets and (134340) Pluto, current to 2023, was made to

There has been great interest in the claims of a 430-day period in the light curve of Betelgeuse, which is

One of the legacies of the Apollo missions and the fleet of unmanned probes that have followed them is the

Following a brief introduction to pulsars and how to intercept radio-frequency transmissions from them, this article describes the design and

A survey of British newspapers has uncovered 41 sightings of sunspots made by untrained people with no optical aid and

In 1894, three Sydney members of the British Astronomical Association – John Tebbutt, Walter Gale and Robert Innes, all well-known

Direct, simultaneous imaging of the full Moon rising as the Sun was setting proves that both objects can be seen

The size of the sunspot group that produced the white-light solar flare observed by Carrington and Hodgson in 1859 is

A report of the Jupiter Section (Director: J. H. Rogers) After having been invisible during the previous opposition, late in