British Astronomical Association
Supporting amateur astronomers since 1890

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BAA Tutorials

BAA Tutorials

Measurement of double stars
Observing the Sun
Guide to Processing Spectra Using the BASS Software
Focusing by diffraction
Observing and Drawing the Night Sky
Atmospheric dispersion and its effect on high resolution imaging
Binoculars for the travelling astronomer
Absolute Beginners No. 8: The phases of Venus


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