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Supernova 2012fr and the distance to NGC 1365
BVRI and unfiltered MicroObservatory CCD observations of SN 2012fr covering the first 100 days following its discovery are reported.
Read moreShort paper: Polar alignment of the equatorial mount: how accurate must it be for trail-free astrophotography?
This paper develops and presents a rule of thumb as to how accurate the polar alignment of an equatorial mount must be, in order to avoid trailing stars in astrophotography.
Read moreShort paper: Perigee lunar eclipses
Details are presented of lunar eclipses occurring very close to perigee, for the years 1000 to 3000.
Read moreSaturn in 2001 − 2002
The south face of the rings was displayed nearly to its maximum effect during this presentation. The various occultations of the planet and its satellites by the Moon were further highlights of the apparition.
Read moreMr William Strachan and his remarkable telescope
The observing career of Mr William Strachan of Bournemouth, a BAA member from 1908 to 1935, is described. Despite severe lifelong disability he managed to regularly observe the Sun, variable stars and a few other objects for 26 years. His observing career in later life was only made possible by using a custom made polar refractor Coudé system which he used regularly from 1924 to 1934.
Read moreThe BAA at New Scientist Live, 2016 September 22 − 25
The BAA was happy to be able to share a stand with Peak-2-Valley Instruments at this year’s first ever New
Read moreAbsolute Beginners No. 8: The phases of Venus
Paul Abel describes the observations you can make of our sister planet Venus, and explains the reasons for its varying position and brightness as it orbits the Sun.
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