Delta Cephei’s companion variables
It is common knowledge that the prototype Cepheid variable star, delta Cephei, was discovered by John Goodricke in 1784 from
Read moreIt is common knowledge that the prototype Cepheid variable star, delta Cephei, was discovered by John Goodricke in 1784 from
Read moreOn 2023 Jun 30, there is the 50th anniversary of a total solar eclipse which has become dubbed as the
Read moreJenny was first hooked into astronomy education while working in a small, travelling planetarium. Following further roles in science centres
Read moreOn Apr 20, the Universe graced us yet again with one of the most awe-inspiring of events – a
Read moreOne of the most iconic astronomical sights in this country surely must be the Lovell Telescope at Jodrell Bank,
Read moreA report of the Mars Section. Director: R. J. McKim. For UK observers, 2020 was the most favourable year of
Read moreA report of the Saturn, Uranus & Neptune Section. Director: Mike Foulkes. In 2016 and 2017, Neptune was observed by
Read moreIn Part I, we attempted to correlate the albedo and tonal differences of the lunar surface with compositional differences found
Read moreBAA observations of comets have been analysed in a similar way since 1990, with results published in the annual series
Read moreThe short nights mean frustration unless you are a solar observer. The summer solstice on Jun 21 allows a mere
Read more