British Astronomical Association
Supporting amateur astronomers since 1890

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BAA Tutorials

BAA Tutorials

An introduction to variable star observing
Intermediate
Observing the outbursting comet 29P/Schwassmann-Wachmann
Intermediate
Filters for visual observations of deep sky objects
Intermediate
BAA Sky Notes
Understanding image defects (part 1)
Starting Out
Atmospheric Refraction
Intermediate
The Barlow lens
Intermediate
Observing asteroid occultations with digital cameras
Intermediate
What's the best telescope for an adult beginner?
Starting Out
Absolute Beginners no.14: Astronomical ‘seeing’
Starting Out

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