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03-10-2015, 11:17
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#1
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Marine Service Provider
Join Date: Aug 2011
Location: St Augustine
Boat: '87 Irwin 43
Posts: 245
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Learning Celestial Navigation?
Best book for learning the basics of celestial nav? Preferably from actual experience...
Thanks
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03-10-2015, 11:34
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#2
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Registered User
Join Date: Nov 2013
Location: Louisville, KY
Boat: Globe, cutter/ketch,38
Posts: 727
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Re: Learning Celestial Navigation?
Bowditch, or better yet take a course from your local United States Power Squadron, (ups.org)
__________________
www.sailboatvigah.com Boats don't like being neglected, but then neither do significant others!
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03-10-2015, 11:49
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#3
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Senior Cruiser

Join Date: Oct 2007
Location: 29° 49.16’ N 82° 25.82’ W
Boat: Pearson 422
Posts: 16,307
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Re: Learning Celestial Navigation?
I bought a copy of Mary Blewitt's book Celestial Navigation for Yachtsman a nautical almanac and HO249 and learned it on my own with no problems.
Others have criticized Blewitt as out of date, difficult and recommended other books but I had no problems and that one worked fine for me.
__________________
The water is always bluer on the other side of the ocean.
Sometimes it's necessary to state the obvious for the benefit of the oblivious.
Rust is the poor man's Loctite.
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03-10-2015, 12:22
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#4
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Registered User
Join Date: Oct 2008
Location: San Diego
Boat: Farrier f27
Posts: 704
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Re: Learning Celestial Navigation?
I can't agree with Bowditch though IT IS "The Bible". It is comprehensive but not easy for most novices to follow.
Self-Taught Navigation by Robert Kittredge. Described on the cover as 'Ten easy steps to celestial navigation' and it is. I used it in 1979 to learn the basics quickly.
Sent from my SAMSUNG-SGH-I337 using Cruisers Sailing Forum mobile app
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03-10-2015, 12:50
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#5
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Registered User
Join Date: Aug 2009
Location: between the devil and the deep blue sea
Boat: a sailing boat
Posts: 21,556
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Re: Learning Celestial Navigation?
I learned from books written for bridge officers BUT later when sailing pleasure boats I found many less elaborate sources way easier to understand and apply.
I still have this one onboard: "The Complete Onboard Celestial Navigator" by George Bennett and if I were to start from scratch this is the book I would read first.
Important: learning celestial navigation is all about taking sights and calculating the LOPs. A book is just a book. As long as you know what you are looking for and how to get it, grab your sextant, your watch and your almanac and exercise, exercise then exercise even more. Same as if you were learning salsa, French or biking. It is the practical skill that counts.
Cheers,
b.
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03-10-2015, 13:06
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#6
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Registered User
Join Date: Nov 2005
Location: 5 Mile River
Boat: Bristol 41.1 Keep on Dancin'
Posts: 877
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Re: Learning Celestial Navigation?
It is good to see there is still interest in learning Celestial Navigation. Celestial makes you realize there IS order in all this chaos we are in. I learned at an Ocean Navigator class some years ago, and also used Blewett. After learning, you need to keep practicing to stay proficient.
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03-10-2015, 13:15
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#7
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Registered User
Join Date: Dec 2011
Location: Ponce Inlet, FL
Boat: Beneteau Moorings 432
Posts: 241
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Re: Learning Celestial Navigation?
Doing it now with "A Star to Steer By". ASA 107 course. So far, it's been great.
Sent from my iPhone using Cruisers Sailing Forum
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04-10-2015, 12:05
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#8
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Senior Cruiser

Join Date: Oct 2007
Location: 29° 49.16’ N 82° 25.82’ W
Boat: Pearson 422
Posts: 16,307
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Re: Learning Celestial Navigation?
Quote:
Originally Posted by Randy
I can't agree with Bowditch though IT IS "The Bible". It is comprehensive but not easy for most novices to follow.
Self-Taught Navigation by Robert Kittredge. Described on the cover as 'Ten easy steps to celestial navigation' and it is. I used it in 1979 to learn the basics quickly.
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Kittredge is the other book I was thinking about that is often recommended. Seems like the majority of cruisers that taught themselves celestial back in the olden days IE before GPS, started with Blewitt or Kittredge.
__________________
The water is always bluer on the other side of the ocean.
Sometimes it's necessary to state the obvious for the benefit of the oblivious.
Rust is the poor man's Loctite.
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04-10-2015, 12:14
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#9
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Registered User
Join Date: Aug 2013
Location: Back in the boat in Patagonia
Boat: Westerly Sealord
Posts: 8,517
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Re: Learning Celestial Navigation?
Quote:
Originally Posted by malyea
Best book for learning the basics of celestial nav? Preferably from actual experience...
Thanks
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You could have a looksee here.... http://www.cruisersforum.com/forums/...ff-144799.html
even I can understand it
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04-10-2015, 12:26
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#10
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Marine Service Provider
Join Date: Aug 2011
Location: St Augustine
Boat: '87 Irwin 43
Posts: 245
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Re: Learning Celestial Navigation?
Great advice as usual, thanks to all!
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04-10-2015, 13:34
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#11
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Registered User
Join Date: Mar 2009
Location: Homer, AK is my home port
Boat: Skookum 53'
Posts: 4,042
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Re: Learning Celestial Navigation?
I second Randy's suggestion on "Ten easy steps." That was our primer when we left Seward, AK, for Seattle, none of us knew celestial on departure, but all of us were competent by the time we reach Seattle, for 6 crew.
__________________
" Wisdom; is your reward for surviving your mistakes"
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05-10-2015, 09:42
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#12
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Marine Service Provider
Join Date: Oct 2014
Location: Victoria, Canada
Boat: Olson 30
Posts: 169
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Re: Learning Celestial Navigation?
The simplest, and fastest way to learn to use a sextant is located here:
http://www.backbearing.com/files/Sex...sers-Guide.pdf
It's completely free to download.
You can also use the site reduction form, plotting sheet and Almanac also provided on the backbearing.com site.
You will be finding yourself in less than 1 hour. I guarantee it! (That's why I wrote it.)
__________________
Nobody who has ever
written anything significant
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06-10-2015, 04:14
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#13
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Marine Service Provider
Join Date: Aug 2011
Location: St Augustine
Boat: '87 Irwin 43
Posts: 245
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Re: Learning Celestial Navigation?
Quote:
Originally Posted by Foolish
The simplest, and fastest way to learn to use a sextant is located here:
http://www.backbearing.com/files/Sex...sers-Guide.pdf
It's completely free to download.
You can also use the site reduction form, plotting sheet and Almanac also provided on the backbearing.com site.
You will be finding yourself in less than 1 hour. I guarantee it! (That's why I wrote it.)
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Thanks, looks like a great product.
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06-10-2015, 06:50
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#14
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Registered User
Join Date: Aug 2009
Location: between the devil and the deep blue sea
Boat: a sailing boat
Posts: 21,556
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Re: Learning Celestial Navigation?
In my case, it really made things simple to learn once I understood that it is all about finding the bearing and distance between two waypoints: the one where we believe we are (our Assumed Position: lat, long) and the one where the observed body "would fall on the Earth" (e.g. dec, GHA).
Making large scale drawings helps me heaps too ("so here WPT I think I am, here is the Sun WPT, here is my long lat and there is the Sun's long lat (GHA, dec), so now here is my bearing (Azimuth) and here is my distance, and what I measured on the sextant compared to the distance btw the WPTs gives me the distance from here I thought I was...). A piece of paper and a pencil, some imagination and the minimum of drawing skills suffice.
CN is truly a very simple thing. And not any worse than Sudoku to keep your brain sharp.
b.
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06-10-2015, 07:34
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#15
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Registered User
Join Date: Jul 2012
Posts: 21
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Re: Learning Celestial Navigation?
Celestial Navigation by Tom Cunliffe and a 35 day passage worked for me.
I think most any book would work if you are actually taking sights and doing the math.In my case I had enough time to make every possible mistake and figure out where I went wrong. I think I'd need a 60 day passage if all I had was Bowditch.
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