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1
The Herschel Objects and How to Observe Them
Published 2007Subjects: “…Science (General).…”
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Electronic eBook -
2
Double and Multiple Stars and How to Observe Them
Published 2005Subjects: “…Science (General).…”
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Electronic eBook -
3
A Buyers and Users Guide to Astronomical Telescopes & Binoculars
Published 2007Subjects: “…Science (General).…”
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Electronic eBook