This revised and expanded edition of this popular CN book now introduces simple tabular sight reductions first, followed by calculator methods for those wishing to take full advantage of their flexibility. Of course it retains the same unprecedented clear and accurate explanation of CN mysteries, such as the role of the assumed position , and how positions and celestial LOPs can be plotted with no assumptions. The section on stars has been expanded, and star and planet identification and viewing have been added. It explains nine special sights, such as Polaris sights, meridian sights, and even sights without a sextant. Lunar distance sights are explained from the ground up, using only basic concepts, with no special formulas or tables. The book has a unique chapter on sextants and their properties, explaining the workings and effects of different horizon mirrors and telescopes, and their associated advantages and disadvantages. Related topics include: integrating CN with GPS for improving skill and safety; constructing plotting sheets; making superior running fixes; designing special LOPs for landfalls; and performing compass deviation checks at sea. Beginners will like the clear and authoritative explanations, arriving at a complete sight reduction in just 40 pages, accompanied by 72 exercises for plenty of practice and confidence building all in the most comprehensive CN book ever written. Experienced navigators will appreciate the comprehensive fresh treatment of all topics, many never seen elsewhere. SC, 2011, 310 pages.
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Most Helpful Customer Reviews
7 of 7 people found the following review helpful:
2.0 out of 5 stars
100 Problems in Celestial Navigation,
By Pete Minard (Ahsahka, ID) - See all my reviews
This review is from: One Hundred Problems in Celestial Navigation, Second Edition (Paperback)
I am in the process of teaching myself Celestial Navigation. I bought this book to help my learning process by having problems with answers to work through. And therein lies the problem. I applaud Mr. Gray's approach to set up realistice navigation problems. However, only THE ANSWER is given. Here we have a multi-step problem involving many aspects of navigation and by only giving the answer without showing solutions or partial solutions your left twisting in the wind if you didn't come up with the answer. You have no guidance on where you have erred. This has been extremely frustrating. It would have been so easy for the book to have at least included filled out sight redution forms for each problem. This addition would have enabled a "just learning neophyte" to see where his errors were. If your are an accomplished celestial navigator looking for practice or have access to an expert to mentor you than the book would be of value. To the beginner trying to learn the craft it comes up very short....too bad, it could
be so much better. I would have gladly paid more for additonal pages that showed the solution process for the problems.
3 of 3 people found the following review helpful:
3.0 out of 5 stars
Problems in Celestial Navigation,
By
This review is from: One Hundred Problems in Celestial Navigation, Second Edition (Paperback)
The book provides excellent problems in celestial navigation, and the final answer, ie longitude and latitude location or "fix", for each problem. The shortcoming is that no explanation is given. The solution to a celestial navigation problem involves more than a few steps, each of which must be done correctly. Providing a complete explanation of every site in each of the 100 problems would be space prohibitive, but somewhat more explanation would make the book more useful to the student of celestial navigation.
3 of 4 people found the following review helpful:
3.0 out of 5 stars
One Hundred Problems in Celestial Navigation, Second Edition by Leonard Gray,
Amazon Verified Purchase(What's this?)
This review is from: One Hundred Problems in Celestial Navigation, Second Edition (Paperback)
The text arrived quickly and in good shape. The material got its arms around the subject very, very nicely; The artwork was outstanding. But I think the presentation could be strenghtened with inclusion of intermediate mathematical steps
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Inside This Book
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First Sentence:
We are sailing from New York to the Azores in a 37-foot ketch. Read the first page Key Phrases - Statistically Improbable Phrases (SIPs): (learn more)
sighting plan, twilight plan, predicted altitude, twilight sights, brightest bodies, sighting conditions, sighting time, civil twilight, nautical twilight, whose azimuth, running fix, star finder, same azimuth, last fix, following sights, daily page, twilight times, sun sight, good fix, east longitude Key Phrases - Capitalized Phrases (CAPs): (learn more)
Sunset Civil, Rigil Kent, Nautical Almanac, New York, Tristan da Cunha New!
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Front Cover | Table of Contents | First Pages | Back Cover | Surprise Me!
We are sailing from New York to the Azores in a 37-foot ketch. Read the first page Key Phrases - Statistically Improbable Phrases (SIPs): (learn more)
sighting plan, twilight plan, predicted altitude, twilight sights, brightest bodies, sighting conditions, sighting time, civil twilight, nautical twilight, whose azimuth, running fix, star finder, same azimuth, last fix, following sights, daily page, twilight times, sun sight, good fix, east longitude Key Phrases - Capitalized Phrases (CAPs): (learn more)
Sunset Civil, Rigil Kent, Nautical Almanac, New York, Tristan da Cunha New!
Books on Related Topics | Concordance | Text Stats Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Back Cover | Surprise Me!
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