
Pre-Owned Reeds Astro Navigation Tables 2025 (Paperback)
Key item features
This is the established book of annual astro-navigation tables compiled specifically for the needs of boaters.
This superbly compact almanac and sight reduction tables contains all the information the ocean-going sailor needs in order to navigate by the sun, moon, stars and planets, using tables devised by practical ocean navigators. This book, together with a sextant, enables sailors to navigate confidently and safely when out of the sight of land.
The book continues to feature the well-received additions of the past few years, including forms to help determine True Altitude (for the sun, stars and planets), Calculated Altitude (using the versine formula) and Azimuth (using the ABC Tables), as well as a pro forma for calculating Intercept. These tables, along with clear and easy to use star ID charts, mean you can resolve any calculation you're ever going to need. There is also an introductory section on practising ashore, with helpful worked examples as an aide memoire. With 8 extra pages and an improved layout, there is plenty of space for making notes and calculations.
Being so easy to use, Reeds tables encourage active navigation and a better understanding by sailors of where they have been and where to go next – rewarding in itself and essential in the event of GPS failure.
Specs
- Book formatPaperback
- Fiction/nonfictionNon-Fiction
- GenreTravel & Nature
- Publication dateOctober, 2024
- Pages80
- Reading levelGeneral
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Product details
This is the established book of annual astro-navigation tables compiled specifically for the needs of boaters.
This superbly compact almanac and sight reduction tables contains all the information the ocean-going sailor needs in order to navigate by the sun, moon, stars and planets, using tables devised by practical ocean navigators. This book, together with a sextant, enables sailors to navigate confidently and safely when out of the sight of land.
The book continues to feature the well-received additions of the past few years, including forms to help determine True Altitude (for the sun, stars and planets), Calculated Altitude (using the versine formula) and Azimuth (using the ABC Tables), as well as a pro forma for calculating Intercept. These tables, along with clear and easy to use star ID charts, mean you can resolve any calculation you're ever going to need. There is also an introductory section on practising ashore, with helpful worked examples as an aide memoire. With 8 extra pages and an improved layout, there is plenty of space for making notes and calculations.
Being so easy to use, Reeds tables encourage active navigation and a better understanding by sailors of where they have been and where to go next – rewarding in itself and essential in the event of GPS failure.
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Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.
Pre-Owned: Like New
What is the Walmart Pre-Owned Program?
Walmart Pre-Owned allows you to find previously owned, well-cared-for items from Walmart’s trusted & performance-managed sellers. Shopping Pre-Owned allows you to bring home the best-quality picks at even lower prices, in addition to extending the life of an item & reducing waste. Find your favorites & shop a range of conditions in every category.
Why Walmart Pre-Owned?

Trusted sellers & quality items
Each Pre-Owned item listed comes from Walmart’s trusted performance-managed sellers, to ensure you get quality items.
Quality you can afford
Save even more on top brands & your most-loved items.

30-day free returns
Don’t love it? Most items offer a 30-day* free return policy, for added peace of mind.

Sustainability
Shopping Pre-Owned helps in extending the life of an item & reducing waste.
Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.
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