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Supporting amateur astronomers since 1890

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Archives

Scientific analysis of amateur spectra

A workshop delivered in May 2019 at the Society for Astronomical Sciences Symposium in Ontario, California This annual meeting is

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Bass screenshot

Spectroscopy

Scientific analysis of amateur spectra Spectroscopy software training workshop (video on using ISIS software) Guide to processing spectra using BASS

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Balcony-telescope

Observatories

Observing from a balcony

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M31 distortions

Imaging

Mars edge-rind: methods of mitigation (Further information related to Martin Lewis’s paper in JBAA, 130, 5) Understanding image defects (part 1) Understanding image

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100ED

Buying and using telescopes

What telescope should I give a child? What’s the best telescope for an adult beginner? ‘Through which end do I

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