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"amateur astronomer" » "amateur astronomers", "amateur astronomy", "amateur astronomie"
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1
by Sheehan, William
Published 2010
Springer New York
“... to all amateur astronomers; active planetary observers; armchair astronomers; those interested...”
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2
by Westfall, John, Sheehan, William
Published 2015
Springer New York
“... eclipses now lead thousands of amateur astronomers and eclipse-chasers to travel to remote points...”