The transit of Mercury: how to observe it
How to observe the November 2019 Mercury transit
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Archives
Imaging comets: an introduction
A brief history of comet imaging and some of the fundamentals of current imaging technology
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An introduction to variable star observing
Roger Pickard writes about why and how you should observe variable stars
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Observing the outbursting comet 29P/Schwassmann-Wachmann
Richard Miles explains how to measure the brightness of the unusual comet 29P
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Filters for visual observations of deep sky objects
Owen describes the development of deep sky filters, how they work and how to use them
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Atmospheric Refraction
David discusses the way light is bent in the atmosphere.
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The Barlow lens
A close look at the workings of this popular accessory.
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‘Through which end do I look?’ – the absolute basics of using a telescope
Having previously advised beginners on purchasing a telescope (see the December Journal), it seems appropriate in this new year to
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What is the best telescope for an adult beginner?
Continuing my theme from a previous article ‘What telescope should I give a child?’, in this article I will be looking
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