Archives
Saturn in 2000 − 2001
In 2000-2001 Saturn was extremely well-placed for observers at north temperate latitudes, coming to opposition on 2000 Nov 19, when its declination was +17°. This paper presents and analyses BAA observations for this apparition.
Read moreThe brighter comets of 2008
A report of the Comet Section (Director, 1990 − 2015: J. D. Shanklin). This report describes and analyses the observations of the brighter or more interesting comets discovered or at perihelion during 2008, concentrating on those with visual observations.
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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.
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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.
Read morePatrick 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.
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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.
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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
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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
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