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To see information about this book and where to buy: https://astronavigationdemystified.com/astro-navigation-demystified-2/
For information about this book and where to buy: https://astronavigationdemystified.com/applying-mathematics-to-astro-navigation-3/
For information about this book and where to buy: https://astronavigationdemystified.com/astronomy-for-astro-navigation-2/
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Category Archives: Astro Navigation Topics
Venus Evening Star or Morning Star?
Venus sometimes appears as an evening star above the western horizon shortly after sunset and sometimes appears as a morning star above the eastern horizon shortly before sunrise. In primitive times, people regarded the evening and morning stars as two … Continue reading →
Posted in astro navigation, Astro Navigation Topics, astronomy, celestial navigation
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Tagged astro navigation, astronomy, celestial navigation
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Stars For All Seasons – Part 2
Summer Stars in the Northern Hemisphere Winter Stars in the Southern Hemisphere “Know The Stars And You Will Always Have A Compass”. (Michael Punk. 2002. The Revenant) In the last article, we discussed Rotation (the reason the stars seem to rise … Continue reading →
What’s The Point of Astro Navigation When We Have The GPS?
Imagine that you are driving through Birmingham when, suddenly, your ‘Sat Nav’ starts to tell you that you are in Manchester. In such a situation, you would quickly realise that the GPS had gone haywire; however, if you were in … Continue reading →
The Polynesian Star Compass (Learning from the Polynesians)
Updated version. “Know the stars and you will always have a compass” (The Revenant) * Nainoa Thompson tells us how that, for centuries before European sailors reached the Pacific Ocean, the South Sea Islanders accurately found their way from island … Continue reading →
Astro Navigation In A Nutshell Part Four
Part 4 – Full procedure for establishing an astronomical position line. This post brings together all of the information from parts 1, 2 and 3 of this series to demonstrate the full procedure for establishing an astronomical position line. .Links: Astro … Continue reading →
Astro Navigation In A Nutshell Part 1
Links Astro Navigation in a Nutshell Part 2 Astro Navigation in a Nutshell Part 3 Astro Navigation in a Nutshell Part 4 Part 1 – The Importance of Azimuth and Altitude. The theory of astro navigation depends on the ability … Continue reading →
Astro Navigation In A Nutshell Part 2.
Part 2 – The Intercept Method Link: Astro Navigation In A Nutshell Part One Astro Navigation in a Nutshell Part 3 Astro Navigation in a Nutshell Part 4 Suppose we are in a yacht and we measure the altitude of … Continue reading →
Astro Navigation in a Nutshell Part 3
Part 3 – Calculating Altitude and Azimuth at the Assumed Position by Spherical Trigonometry. Links: Astro Navigation In A Nutshell Part One Astro Navigation In A Nutshell Part Two Astro Navigation in a Nutshell Part 3 Astro Navigation in a Nutshell … Continue reading →
Short Distance Sailing And Rhumb Line Sailing
In my previous post about the meridian passage long method, I demonstrated how the ‘Short Distance Sailing Formulas’ are used to calculate a vessel’s position at meridian passage. I have since received several questions asking how these formulas allow for … Continue reading →
Posted in astro navigation, Astro Navigation Demystified, Astro Navigation Topics, celestial navigation, geometry, Marine Navigation, mathematics, navigation, Schools, spherical trigonometry, Topics For Schools, trigonometry
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Tagged astro navigation, celestial navigation, Meridian Passage, navigation, Rhumb Line Sailing, Short Distance Sailing
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Survival – The Star Compass
“Know The Stars And You Will Always Have A Compass”. In a survival situation, whether at sea or on land, the chances are you may have nothing to navigate by other than the stars in the sky. Finding the Direction … Continue reading →
Astro Navigation Demystified 
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