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Obituary: John Wall (1932−2018)

John Wall was born in Crayford, Kent on 1932 June 26. Within a year the family moved to Dartford where

With the death of Michael Hendrie at the age of 87, the Association has lost one of the great classical

Although summer nights are short, there can still be great astronomical sights, especially if a dark and more southerly location

Figure 1 shows the number of Sudden Ionospheric Disturbances (SIDs) recorded by the Radio Astronomy Group (RAG) each month since

Perhaps this article should be called Getting Lost in Virgo, because that is often what happens when you start exploring

Richard Myer Baum will not have been known personally to many of today’s members, but readers of the Journal will

It is well known that two orbiting objects do so around a common centre of gravity, or barycentre. What is

Older BAA members will recall that in 1990 the Association took ownership of an archive of approximately 11,000 Schmidt Camera

Winter is the season to observe change in a rare group of deep sky objects, the variable nebulae. Suspected variability

Paul guides us through the way the planets move