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Geoffrey Kolbe

Long Term Almanac 2000-2050: For the Sun and Selected Stars with Concise Sight Reduction Tables, 2nd Edition Paperback – October 1, 2008

by Geoffrey Kolbe (Author)

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Print length

120 pages
Language

English
Publisher

Starpath Publications
Publication date

October 1, 2008
Dimensions

7 x 0.25 x 10 inches
ISBN-10

0914025104
ISBN-13

978-0914025108
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Product details

Publisher ‏ : ‎ Starpath Publications (October 1, 2008)
Language ‏ : ‎ English
Paperback ‏ : ‎ 120 pages
ISBN-10 ‏ : ‎ 0914025104
ISBN-13 ‏ : ‎ 978-0914025108
Item Weight ‏ : ‎ 7.9 ounces
Dimensions ‏ : ‎ 7 x 0.25 x 10 inches

Best Sellers Rank: #314,410 in Books (See Top 100 in Books)
- #2,850 in Transportation (Books)

Customer Reviews:
75 ratings

Customer reviews

5 star		77%
4 star		13%
3 star		4%
2 star		3%
1 star		4%

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Top reviews from the United States

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Paul Fithian

Great reference for backup navigation

Reviewed in the United States on February 27, 2013

Verified Purchase

Aside from an intellectual interest, celestial navigation has been relegated to a robust backup for offshore position determination. It will never be able to match the precision, speed, and ease use we all enjoy from our GPS units.

Celestial is what you need to know in case your GPS fails and you cannot see land. You can't get to your destination unless you know where you are.

Kolbe's LTA enables determination of the sun/star positions for navigation until the year 2050 as well as the formulas and tables for sight reduction. it is an ideal reference for both experienced and new celestial navigators, since it does not need annual updating like the traditional Nautical Almanac. This single, compact book, a sextant, a good watch, and a chart are all that is needed to determine your position anywhere on earth, anytime you can see the horizon and sun or stars.

If you are new to celestial navigation, buy this instead of the Nautical Almanac and the sight reduction tables HO 229 or HO 249.

36 people found this helpful

Helpful

Peter

Long term Solution, but Not 100% as accurate as Current Almanac

Reviewed in the United States on March 6, 2013

Verified Purchase

If you are reading this I assume you are an aficionado of the venerable arts of navigation. No doubt you own a sextant or two, and maybe a chronometer, and a few other antique goodies like I do. But in this day and age these things are no longer necessary for navigation. Not even in emergency situations. Not when everyone has a cell phone with GPS built in. You would be better off finding a solar charger for your cell phone to cope with emergencies than relying on celestial navigation with a sextant and a set of tables. If it gets so bad you can't get any GPS cell phone to work, you are in deep, and you had better be able to figure out how to navigate like the ancient Polynesians.... with no special equipment... which perhaps you already have done because you are a student of the old art or you wouldn't be reading about this almanac.

For those of us who still keep the old art alive out of a sense of curiosity or personal enjoyment we need a solution to keeping the necessary data around to reduce our sights. This book is a good step in that direction. It is easy to skip buying a new Nautical Almanac each year just so you can do a handful of practice sights. With this long term almanac you won't have to worry about not having the data on hand.

However this almanac's method does allow a certain amount of error to creep in, which is pointed out in the book. So be it. I am happy that someone has gone tot he trouble to create a long term solution, and the errors are small.

If you want or really need more precision; or if you are just learning to handle a sextant and want to know that the errors are introduced by you, the operator, not the books, you will have to buy a current nautical almanac and the appropriate sight reduction tables. Hopefully they will continue to publish them.

If you just want a book on your shelf that you can pull down now, or next year, or in 2029 to use to practice with or demonstrate your antiques, this book will be plenty. And if you are still of the mind that you figure you might one day have to actually navigate with a sextant on your world voyage, the solutions from this book would be plenty good enough to keep you out of trouble and to find your port.

All in all a five star product because it does what it says it does and does so neatly. It addresses a need, and fills that niche. If you own a sextant you should buy one of these almanacs to put next to it, right beside Mary Blewit's "Celestial Navigation for yachtsmen" and your Ageton's tables. You will also be happy to know it isn't any thicker and only slightly taller than Blewitt's book in paperback, since space is always at a premium at sea.

Peter

In the time since I wrote this review I have picked up and leared H.O. 208 (Dreisonstok) concise tables and I prefer them to Ageton (H.O.211) Given a choce I'd stick 208 in my kit.

42 people found this helpful

Helpful

Eastofthemississippi

Good to have.

Reviewed in the United States on October 12, 2015

Verified Purchase

If you must choose between the nautical almanac and this, you may well choose this. It does not contain 'ephemera' related to the moon or planets but you'll be able to use the sun and stars for navigation well into the 21st century. It's well worth the price for hobby navigation or as a long term back up. The instructions are a bit easier to understand than those in the nautical almanac as well.

14 people found this helpful

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Mr. Rabbit

Get the Paperback

Reviewed in the United States on June 22, 2014

Verified Purchase

I got the Hardcover at first and I feel its not as practical as the paperback. The Hardcover adds also a bit of size and this brings me to the only issue I have with this. I wish it was much smaller. There is so much white space on each page and I bet it's possible to shrink it down to the size of a passport and stick it in the Sextant box where it belongs and make Celestial Navigation a bit more practical.

12 people found this helpful

Helpful

Vertigo

As expected

Reviewed in the United States on November 17, 2019

Verified Purchase

Good deal for sighting. It bridges the gap if you do not have the annual book and gets the job done. Thanks for the great value!

2 people found this helpful

Helpful

Pablo Acevedo

Concise manual to help in an emergency case.

Reviewed in the United States on April 13, 2019

Verified Purchase

Book could be smaller in size to be able to carry in sextant box. This should be easily posible due to the white spaces in the pages, without reducing the font size.

5 people found this helpful

Helpful

sean c.

Excellent!

Reviewed in the United States on January 3, 2014

Verified Purchase

Quite slimmer than I expected, which is a good thing. Fits nicely in my nav bag. Contains everything one needs to reduce Sun and selected star sights. Very accurate (I checked against USNO ICE software.) Couldn't get much better. Highly recommended!

12 people found this helpful

Helpful

Andrey Chelpanov

complicated story with customs via UPS

Reviewed in the United States on August 31, 2020

Verified Purchase

please send to me via DHL only - UPS - too complicated

Helpful

Top reviews from other countries

Superstriker

The best almanac ever

Reviewed in the United Kingdom on June 23, 2019

Verified Purchase

This almanac is easier to use than the other almanacs contained in UK publication AP3270 and US publication Pub no 249 which have sight reduction tables that can be used with celestial bodies with a maximum declination of 30 degrees. For calculating the Az with a calculator I suggest using the ABC method. Please see the YouTube video by Josslynne Masters entitled "Azimuth". If you wish to calculate both Hc and Az without a calculator you can use the Norie's Tables. Please see the YouTube video by Paul Kersey entitled "Celestial navigation made simple". In reference to the formula which is contained in the book for calculating Hc, if Lat is named the SAME as the Dec for example Lat N & Dec N or Lat S & Dec S, then you ADD (+). If Lat is named OPPOSITE to Dec for example Lat N & Dec S or Lat S & Dec N, then you SUBSTRACT (-).

One person found this helpful

flox2

Perfetti!

Reviewed in the United Kingdom on May 16, 2013

Verified Purchase

If you are one of "those", meaning you want something more natural, reliable and interesting than a GPS, but you also prefer to avoid paying a load of money each year for the new almanac, well here you are!

Done quite a few calculations and compared them to the 2013 Almanac, this thing is filthy accurate (up to now, at least).

Obviously you have to give up something, in order to get an almanac one-tenth the size and weight of the "normal" one, especially if this thing can last fifty years instead of one: You get to do a load of calculations for a number you would normally just read out of the book... But if THIS isn't an even greater return to the roots, then I don't really know what is!

2 people found this helpful

Paul

Excellent book. OK there are more calculations involved for ...

Reviewed in the United Kingdom on October 9, 2014

Verified Purchase

Excellent book. OK there are more calculations involved for figures you can just look up in an Almanac, but it's all part of the fun and a small price to pay for a book that lasts for 50 years. I would like to compare the results with the HO229 tables for my Latitude once I have mastered the techniques of celestial navigation. Excellent book......

Ordered from the Book Depository (Now part of Amazon, I think). You don't get a second chance at a first impression... Book arrived on time and was well packaged. Excellent quality, service and price. Will definitely look at the Book Depository (Amazon) for my next purchase.

One person found this helpful

Amazon Customer

Compact and accurate but missing moon data

Reviewed in the United Kingdom on August 3, 2017

Verified Purchase

Good compact format. Data with the same accuracy as other publications. However, there is no data for the moon in this almanac which I didn't notice before my purchase. Still, I'm very satisfied.

One person found this helpful

Richard

Just what I required

Reviewed in the United Kingdom on October 21, 2018

Verified Purchase

Very pleased