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RYA Astro Navigation Handbook

Артикул: 00455250
в желания В наличии
Автор: Tim Bartlett
Издательство: RYA (все книги издательства)
Место издания: England
Серия: Мореходная астрономия (Все книги серии)
ISBN: 978-1-906435-09-7
Год: 2017
Переплет: Мягкая обложка
Страниц: 76
Вес: 265 г
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It's hard to argue that astro navigation is essential. You could buy a perfectly good GPS set for the money you might spend on astro reference books alone, and several back-ups for the price of a decent sextant.
But there is something enormously satisfying about handling a sextant, and using a piece of Georgian technology for its intended purpose. And there's a kind of freemasonry about astro: a sense that until you've been initiated into its secrets and mysteries, you're not quite a proper Navigator.
The funny thing is that although a lot of astro jargon has an almost mystical ring about it, most of us already know the "secrets" on which the whole science of astro navigation is based.

Contents
1.Five-Minute Astro
2. All Done By Mirrors - The Sextant
3. The Celestial Sphere
4. Time
5. The Noon Sight
6.Morning and Afternoon Sun Sights
7. Planets
8. Morning and Evening Stars
9. Polaris
10. The Moon
Appendix 1 - Plotting Sheets
Glossary
Index
Notes
RYA Membership

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