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Measurement of double stars
Intermediate
John outlines how amateurs' observations can be undertaken and the importance of this work
John McCue, 2017 Aug 03
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Observing the Sun
Intermediate
Advice on how to observe the Sun
Lyn Smith, 2017 Jun 26
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Focusing by diffraction
Intermediate
A simple, low cost, yet highly effective method for achieving accurate focus of a telescope
Ron Arbour, 2017 May 25
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Jupiter and the amateur astronomer
Starting Out
Jupiter is the largest planet in our solar system; Tobias and James outline some facts about this giant and how to observe it.
Tobias Long and James Dawson, 2017 Mar 25
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Saturn as a planet
Starting Out
Mike talks about the nature of the ringed planet and the missions mankind has sent to examine it more closely
Mike Foulkes, 2017 Mar 22
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Aurora - a beginners guide
Starting Out
Sandra describes what causes aurora, and how best to observe them.
Sandra Brantingham, 2017 Mar 21
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