Journal contents items – Page 109 – British Astronomical Association

An oddity in the times of the Moon’s perigees

The times of the passage of the Moon through perigee repeat near the same calendar dates after four years. Yet the time intervals show an odd variation.

Noctilucent cloud over Britain and Western Europe, 2013–2014

A summary of observations of noctilucent cloud reported to the BAA in the 2013 and 2014 NLC seasons.

Patrick Henry Hepburn (1873 − 1929) – Part II: A decade of highs and lows

The life and times of one of the BAA’s most extraordinary Presidents and eclipse chasers is described, including his fascination with the rings of Saturn, his remarkable physical and mental stamina, his complex home life and his tragic demise.

Analysis of a Perseid fireball spectrum

Analysis is presented of a Perseid fireball spectrum recorded by videography on the night of 2013 August 12/13. Two significantly different spectra were obtained in one of the video frames, which we interpret as being due to an afterglow following an end flare of the fireball and emission from the surviving fragment.

Prizes awarded in Plymouth’s Sir Patrick Moore astronomy competition

Young people from across Plymouth have been awarded prizes in the city’s annual Sir Patrick Moore astronomy competition. Deputy Lord

Mars in 2016: Second interim report

This report covers the period up to 2016 June 30, over one month past opposition. On that date the areocentric

From the Journal archive

A visit to the Daresbury Laboratory

Solar Section update

Jupiter and the Juno mission: the amateur’s contribution

NASA’s Juno spacecraft went into orbit around Jupiter on 2016 July 5: the first spacecraft to orbit the giant planet