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REEDS 2015 ASTRO NAVIGATION TABLES .
By Andy Du Port.
Paperback. 210mm x 300mm 0.21kg Published 2015
Reeds Astro navigation Tables is now established as the ideal annual reference for ocean navigators. Using tables devised by practical ocean navigators, it contains everything the ocean-going sailor needs in order to navigate by the sun, moon, planet and stars, without the bulk, and expense of heavy tables.
Designed and written specifically for yachtsmen, it opens flat on the chart table for ease of use, has a helpful section on practising ashore and Includes worked examples.
NZ$55.00 + delivery.
New Zealand's Night Sky Glow
in the Dark Chart
By Stardome Observatory Auckland. Laminated folded chart, 0.035kgs,folded: 100mm x 210mm; Unfolded: 565mm x 210mm, full colour, published 2012.
When you look up at the stars in the night sky it can be easy to think of them as lights glowing of some sort of large dark curved ceiling. It is impossible to distinguish whether you are looking at a bight star far away or a faint star much closer. The two stars of the Pointers Alpha and Beta Centauri appear about the same brightness, but the brighter one, Alpha Centauri, is the nearest to out Sun, and is 4.2 light years away 1 light-year is 9.5 trillion Kms!
This beautifully presented fold out chart, which glows in the Dark, locates star patterns forJune 7pm (as per image on the right) and December 10pm. The reverse side has a legend of the Greek constellations and their meanings. A fabulous little guide for any night excursion away from the city lights!
NZ$14.00 + delivery.
COLLINS NIGHT SKY & STARFINDER.
By Storm Dunlop & Wil Tirion. Paperback, 0.55kg, 148mm x 210mm, 256 pages, full colour illustrations.
A comprehensive introductory guide to navigating your way around the night sky, this book covers everything that can be seen with the naked eye and binoculars as well as what is visible using a small telescope.
Designed for the beginner and those who want to find out more, it features sections on how to observe and understand the objects that comprise the night sky, including the moon, the movements of the stars and planets throughout the year as well as astronomical events.
The constellations are given a comprehensive treatment. Each one includes a chart, a photograph, a description of its features and history, the best dates and times of visibility, the mythological representation and a list of interesting objects.
The circular starfinder will help you locate and see the arrangements of the stars above you on any given night, be it in your own backyard or out and about.
NZ$30.00 + delivery.
RYA ASTRO NAVIGATION HANDBOOK.
By Tim Bartlett. Paperback, 0.26kg, 170mm x 245mm, 80 pages, full colour illustrations.
Something different to expand the RYA navigation series, Tim Bartlett’s RYA Astro Navigation Handbook delves into the ancient art of navigating by the moon and stars.
Within the book, the reader will find a range of information from the basics of Astro navigation, right up to how to use the more complex formulas involved in the art.
This book is an ideal progression from any basic navigation books.
“Written by a long-time MBY contributor, this covers the very basics to the advanced, using excellent photos and illustrations”.
NZ$25.00 + delivery.
STAR CHART OF THE SOUTHERN SKIES.
Poster, 722mm x 620mm.
This chart depicts the night sky in autumn, as seen from 37 degrees South (New Zealand and southern Australia, South Africa and South America).
This map shows the nigh sky as it appears at about 11pm local time in mid-April, 9pm in mid-May, and 7pm in mid-June. At these times the Southern Cross stands upright, dead south of the observer, and the Milky Way forms a great glowing arch across the sky.
About 1000 stars have been shown - those of magnitude 4.5 or brighter. These correspond to the stars which may be seen easily from the suburbs of a large city on a clear, dark night. In rural areas, away from any artificial light, over 3600 stars are visible at any one time.
NZ$15.00 + delivery.
OCEAN YACHTMASTER EXERCISES, Exercises in Celestial Navigation.
By Pat Langley-Price and Philip Ouvry. Pbk, 170mm x 240mm, 111 pages, tables and drawings.
This work-book is targeted at candidates for the Royal Yachting Association examinations celestial navigation content.
The useful exercises have worked answers for both examination candidates and also those wishing to hone their practical skills after years of non-use.
The contents are:
Rising and setting times,
Hour angle and declination,
Stars above using volumes one and three of the sight reduction tables AP3270,
Ocean passage making.
Sight reduction forms and all the necessary tables and almanac abstracts are given.
NZ$80.00 + delivery.
100 PROBLEMS IN CELESTIAL NAVIGATION, Self-Contained - With Answers.
By Leonard Gray. Pbk, 215mm x 280mm, 168 pages, monochrome drawings and tables.
This book is a self-contained book of realistic celestial and other blue-water navigation problems. The text includes all of the necessary Nautical Almanac and Sight Reduction Table pages, with answers and full explanations.
All of the commonly encountered navigational problems are covered, as well as those that are used only occasionally and whose routines may have been forgotten, such as the backsight for bodies nearly overhead or in cases where the "front" horizon is obscured, finding Venus and Mars in daylight, and storm avoidance.
An appendix contains a photocopiable sight reduction form and a review of procedures and methods for taking the various sights.
This book is an extremely practical self-tutorial for newcomers, and also experienced navigators who want revision or up-skilling in the arts.
NZ$61.50 + delivery.
By Tom Cunliffe. Published 2010. Paperback, 0.21kg. 170mm x 240mm, 65 pages, full colour photographs, tables and drawings.
Celestial navigation is one of the oldest of the mariner's arts - and one of the most awe-inspiring. It is also essential for every ocean sailor who wants to be able to fix his position should the GPS fail.
Tom Cunliff shows how to master the art in easy stages. His talent is to educate without intimidating. Within a few pages you'll be taking your first sight. From there it is a short step to plotting your position, wherever you may be on the world's oceans.
New Edition features:
Revised text and new photographs
Access to online video tutorials
Downloadable calculation sheets
Whether you need to pass an exam, want a back-up to gps positioning or simply choose to delight in the wonder of the cosmos, this is the perfect guide.
NZ$35.00 + delivery.
CELESTIAL NAVIGATION FOR YACHTSMEN. 13th Edition
By Mary Blewitt. Paperback, 84 grams, 138m x 212mm, 78 pages, black & white illustrations and tables, published 2017.
The 13th Edition of this bestselling textbook is proof of the success of Mary Blewitt's concise and clear style in explaining a particularly difficult skill, and it has been the bible for many generations of ocean navigators.
Since this book was first published the huge advances in electronic navigation have transported most offshore navigators to a world of press-button convenience. However there is still a vital need for traditional skills when things go wrong: batteries can fail, aerials go overboard, and electronics have been known to get wet.
A bestseller for over 50 years, Celestial Navigation for Yachtsmen is a model of simplicity and clarity. The worked examples require only straightforward addition and subtraction, which explains why this book has truly earned its reputation for admirable conciseness and making a tricky subject easy to understand.
This edition has been thoroughly revised by Andy Du Port to ensure that it remains entirely relevant to offshore sailors today.
NZ$25.00 + delivery.
CELESTIAL NAVIGATION IN THE GPS AGE.
By John Karl. Paperback, 172m x 253mm, 273 pages, illustrations and tables.
Celestial navigation is a crucial skill for the offshore navigator. This book provides the shortest path to acquiring the skill.
Many books on celestial navigation take shortcuts in explaining concepts; incorrect diagrams and discussion are often used for the sake of moving the students along quickly. This book tells the true story - and the whole story. It conveys celestial navigation concepts clearly and in the shortest possible time.
It's tailored for navigation in the GPS age - a time of computers, calculators, and web resources. Although it covers all of the traditional methods of "working a sight", the primary thrust is using the scientific calculator. Using equations that you key into your calculator, this book guides you toward a better understanding of the concepts of celestial navigation.
In addition, you will learn novel ways to plot lines of position, ways to check your sextant accurately by star sights, and how to tell time from a moon sight. The many appendices are a treasure of references and explanations of abstract ideas.
This may not be the only book you read while learning celestial navigation, but it certainly should be one of them.
NZ$68.00 + delivery.
THE NAUTICAL SEXTANT.
By W.J. Morris. Hardback, 0.82kg, 182mm x 260mm, 246 pages, colour photos.
This book reveals in pictures, prose, and perspective the experience and knowledge gained by the author from years of acquiring, studying and restoring sextants from earlier times and from around the world.
This fascinating book owes much of its attraction to the expert description and photos of the mechanics of the sextants and their subassemblies. It is also the story of how different manufactures, in different times and places, solved the same mechanical problems in different ways in order to perfect one of the most accurate mechanical devices ever produced by man. All of this is complemented by an historical overview to the current day, an overview which has never been published until now.
The Nautical Sextant will be of particular value not only to navigators, but also to restorers, collectors, students of technology, curators, and sextant dealers. With its bibliography and extensive use of foot-notes, this book will certainly become a classic in its field.
Was NZ$66.50 + delivery.
Now NZ$45.00 + delivery.
Navigation by Sextant page two.