Communiqués par Ken M. Harrison

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Cover for Ken M. Harrison · Imaging Sunlight Using a Digital Spectroheliograph - The Patrick Moore Practical Astronomy Series (Paperback Book) [1st ed. 2016 edition] (2016)

1st ed. 2016 edition

Imaging Sunlight Using a Digital... (2016)

Ken M. Harrison

Cover for Ken M. Harrison · Grating Spectroscopes and How to Use Them - The Patrick Moore Practical Astronomy Series (Paperback Book) (2012)

Grating Spectroscopes and How to... (2012)

Ken M. Harrison

Cover for Ken M. Harrison · Astronomical Spectroscopy for Amateurs - The Patrick Moore Practical Astronomy Series (Paperback Book) (2011)

Astronomical Spectroscopy for Am... (2011)

Ken M. Harrison