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Supporting amateur astronomers since 1890

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Archives

William Evan McFarlane (1866–1919)

Journal of the British Astronomical Association, Volume 136, Issue 3, pages 167–179 (2026); DOI: https://doi.org/10.64150/194xtg A B S T R

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The opposition of Jupiter, 1961

Journal of the British Astronomical Association, Volume 136, Issue 3, pages 187–200 (2026); DOI: https://doi.org/10.64150/943jry A B S T R

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A technique for measuring solar differential rotation

Journal of the British Astronomical Association, Volume 136, Issue 3, pages 180–185 (2026); DOI: https://doi.org/10.64150/841ldw A B S T R

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Sky notes for 2026 June and July

We reach the summer solstice on June 21, when the Earth’s axis is tilted most towards the Sun. It is

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The brighter comets of 2023

Journal of the British Astronomical Association, Volume 136, Issue 2, pages 113–127 (2026); DOI: https://doi.org/10.64150/585pyk A B S T R

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Two independent British discoveries of the 1946 eruption of T Coronae Borealis

Journal of the British Astronomical Association, Volume 136, Issue 2, pages 91–99 (2026); DOI: https://doi.org/10.64150/869rwd A B S T R

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Studying OJ287’s puzzling colour variations & searching for its host Galaxy with a backyard Telescope

Journal of the British Astronomical Association, Volume 136, Issue 2, pages 101–110 (2026); DOI: https://doi.org/10.64150/054iyt A B S T R

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Sky notes for 2026 April & May

April still has acceptably long nights, and they tend to be warmer than earlier in the year. By May, however,

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The opposition of Jupiter, 1960

Journal of the British Astronomical Association, Volume 136, Issue 1, Pages 45–54 (2026); DOI: https://doi.org/10.64150/723lyh A B S T R

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Spectroscopic study of five Mira stars

Journal of the British Astronomical Association, Volume 136, Issue 1, Pages 37–43 (2026); DOI: https://doi.org/10.64150/906rbt A B S T R

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