ASA117 Celestial Navigation Endorsement- Includes both Digital and Hard Cover Book.

$99.99

Includes everything required to earn ASA117 Celestial Navigation Endorsement.  Includes both a Digital and Hard Copy of “Solving the Puzzle of Celestial Navigation” Textbook.  Part 1 (155 pages).  For those who want a hard copy.  Printed on 28 pound bright white paper with 65 pound card stock cover pages and bound by comb binding spines.  Includes shipping via USPS to 48 states in continental US.  Please contact us for cost of shipping if outside of this area.  

Also includes download of PDF files of ASA117 test, ASA117 test data, Universal Plotting Sheet, and Work Forms for Polaris and Local Apparent Noon.

“Solving the Puzzle of Celestial Navigation” Part 1-Table of Contents

Chapter 1- Introduction to Celestial Navigation 5-15 

Chapter 2- General Concepts 16-26

Chapter 3- Sextant Basics 27-36

Chapter 4- Latitude and Longitude by Local Apparent Noon 37-113

       Local Apparent Noon Summary-38

       Local Apparent Noon Work Forms 39-41

       Entering Data given in problem to LAN Work Form 42-43

       Corrected Zone Time LAN for Dead Reckoning Position at Noon 44-56

       Measurements 57-60

       Sextant Corrections 61-80

       Zenith Distance 81-85

       Greenwich Mean Time LAN86-87

       Declination 88-93

       Calculations by Situation 94-99

       GHA and Longitude based on LAN 100-108

       Correction Factors 109

       Universal Plotting Sheets 110-111

       Solar Time- 112

       Equation of Time- 113

Chapter 5- Sunset, Sunrise, Civil Twilight, and Nautical Twilight based on your position 115-121

Chapter 6- Latitude by Polaris 122-154

       General Information on Polaris 122-124

       Polaris Work Form 125-126

       Sample Problem for Polaris 127

       Data Entry for Polaris Work Form 128

       Sextant Corrections 129-132

       Meridian Time Difference 134-136

       Greenwich Mean Time 137-138

       Greenwich Hour Angle and Local Hour Angle for Aries 139-144

       Corrections and Latitude Calculation 145-152

       Plotting Polaris 153-154

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