ASA107 Celestial Navigation Course and ASA117 Celestial Navigation Endorsement- Digital 0nly.


Includes everything required to complete both ASA117 Celestial Navigation Endorsement and ASA107 Celestial Navigation Standard.  Includes Digital Version of “Solving the Puzzle of Celestial Navigation” Textbook by Captain Michael Brown.  Includes Part 1 (155 pages) and Part 2 (248 pages).  For those who do not want a Hard Copy.  

Also includes download in PDF format ASA107 Celestial Navigation Test, ASA107 Student Guide, All work forms (Local Apparent Noon Work Form, Polaris Work Form, Stars Work Form, Star Finder Work Form, and Planets Moon and Sun Work form), Universal Plotting Sheet, ASA117 Celestial Navigation Endorsement Exam, and ASA117 Test Data Tables.

Also Includes Star Finder 2102-D used to portray the altitude and azimuth of the fifty-seven numbered stars in the Nautical Almanacs.  Also Includes one DMA-925 Plotting Sheet.  See Pictures of both in Gallery images.  Includes shipping of Star Finder 2102-D and DMA-925 Plotting Sheet via USPS to 48 states in continental US.  Please contact us for cost of shipping if outside of this area.  

“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 LAN 86-87

       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


“Solving the Puzzle of Celestial Navigation” Part 2.  Table of Contents:

Chapter 1- Arc Intercept Method 7-20         

Reference Material-21

Chapter 2- Sun, Moon, Planet Reduction 22-144

          Work Forms 23-27

Reduction of the Sun 28-64

          Sun Problem-29

          Completing Data Section of Work Form-30

          Determination of GMT Sun 31-32

          Sextant Corrections 33-35

          GHA and LHA Sun 36-37

          How to Determine Assumed Longitude 38-44

          Declination of the Sun 45-47

          Summary of Correction Factors-48

          Sight Reduction using HO229 49-54

          Rounding and Significant Figures-53

          Hci and Hc 54-56

          Zn if South Latitude or North Latitude 57-59

          Difference between Z and Zn-58

          Calculation of Intercept 60-62

          Plotting of LOP Sun 63-64

Reduction of Jupiter 65-102

          Completing Data Section of Work Form-66

          Determination of GMT Jupiter 66-68

          Sextant Corrections 69-73

          GHA and LHA Jupiter 74-84

          How to Determine Assumed Longitude 82-83

          Declination Jupiter 85-87

          Sight Reduction using HO229 88-99

          Plotting Jupiter LOP 100-102

Venus and Mars-103

Moon Reduction-104

          Moon Problem 105-144

          Completing Data Section of Work Form-106

          Determination of GMT 107-108

          Sextant Corrections 109-116

          GHA and LHA Moon 117-124

          How to find Assumed Position 123-124

          Declination of Moon 124-129

          Sight Reduction using HO229 130-139

          Intercept for Moon 140-141

          Plotting Moon LOP 142-144

Chapter 3-Star Reduction-146

          Star Work Form 147-149

          Star Problem 150-192

          Entering Data Section of Work Form-151

          Sextant Corrections 152-155

          Determination of Greenwich Mean Time 156-162

          GHA and LHA Stars 163-174

          Determination of Assumed Position 171-172

          Declination Star 175-177

          Sight Reduction using HO229 178-187

          Intercept 188-189

Plotting LOP Star 190-192

Chapter 4- DMA Plotting Sheets and Dead Reckoning Plotting 193-201

Chapter 5- Running Fix Plotting 202-208

Chapter 6- Star Finder 2101-D 209-241

          Use of Star Finder 210-216

          Star Finder star problem-217

          Work Form for Star Finder 218-225

          Identification of an unknown star 228-229

          Plotting Planets on Starbase 230-235

          Azimuth and Altitude of Planets 236-241

Chapter 7- Compass Calibration 242-244

Chapter 8- Gnomonic vs Mercator Charts 245-247


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