Absolute Beginners No. 9: Using filters for visual planetary observation
Introduction Almost all telescopes today come with a set of optical filters. These are small brightly coloured disks of material
Read moreIntroduction Almost all telescopes today come with a set of optical filters. These are small brightly coloured disks of material
Read moreVenus was well placed by the start of 2017, and is being enthusiastically followed. This brief summary goes up to
Read moreThe recent evening elongation of Venus has attracted much public attention. I lost count of the number of times that
Read moreTo cater for the recent increase in spectroscopic capability and interest within the amateur community, on 2016 November 15 the
Read moreWith no coronal mass ejections and sunspot numbers only just in double figures or at zero, all the aurora sightings
Read moreIn the 2015-’16 Report of the Council (Journal, 126(5), 298 (2016)) the Archivists mentioned a donation from the family of
Read moreThe BAA was happy to be able to share a stand with Peak-2-Valley Instruments at this year’s first ever New
Read moreIn recent months, the BAA’s Website Operations Team has been looking for ways to build a greater sense of online
Read moreNASA’s Juno spacecraft, which went into orbit around Jupiter on 2016 July 5, had its first operational close approach (‘perijove’)
Read moreTwelve years after its launch on 2004 March 2 and two years after taking up its orbit around comet 67P/Churyumov-Gerasimenko,
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