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 Venus Evening Star or Morning Star?
 The Retrograde and Prograde Motions of Mars and Jupiter
 Making An Ocean Plotting Sheet
 The Purpose of Altitude and Azimuth Angle in Position Finding at Sea
 Planning Star and Planet Sights
 The Importance of Morning and Evening Star Sights – Part 2
 The Importance Of Morning And Evening Star Sights
 Stars For All Seasons Part 7 – Spring Stars in the Northern Hemisphere.
 Stars For All Seasons Part 6
 Stars For All Seasons Part 5
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 Astro Navigation Demystified
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Tag Archives: celestial navigation for dummies
Calculating the Sun’s Declination in a Survival Situation
In an ideal situation, we could find our latitude by using a satellite navigation system. If satnav is not available, we can use astro navigation to calculate our latitude by the method shown at the following links: Latitude from the … Continue reading →
Posted in astro navigation, Survival

Tagged amazon, astro navigation, astronomy, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, mathematics of celestial navigation, navigation, survival, survival  navigation

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Planning Star and Planet Observations
I have been asked about using ABC tables to calculate azimuth and altitude when planning star and planet observations. Unlike the Sun and the Moon which are easily identified, the approximate positions of stars and planets need to be established … Continue reading →
Posted in astro navigation

Tagged amazon, astro navigation, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, mathematics of celestial navigation, Planning star and planet observations, Rapid Sight Reduction, star and planet observations

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Astro Navigation In A Survival Situation
In a recent survey, the majority of people questioned were surprised to learn that astro navigation can be used in a survival situation. In the same survey, 60% said that they would use satellite navigation systems to find their way … Continue reading →
Posted in Astro Navigation Topics, Survival

Tagged amazon, astro navigation, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, mathematics of celestial navigation, survival, survival  astro navigation, survival  navigation

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Finding Latititude In A Survival Situation.
The full method of calculating your latitude from the altitude of the Sun can be found at this link. However, in a survival situation, the following simplified method can be used. Equipment Needed. A clinometer or other device for measuring angles. … Continue reading →
Posted in Astro Navigation Topics, navigation, Survival

Tagged amazon, astro navigation, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, mathematics of celestial navigation, survival, survival  astro navigation, survival  navigation

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Astro Navigation – What is it and why do we need it?
Astronavigation (or celestial navigation as it is also known) is a fascinating subject that encompasses many areas of knowledge including geography, astronomy, history and mathematics. As you unravel the principles and techniques upon which navigation is based, you will be … Continue reading →
Posted in Astro Navigation Topics, Schools

Tagged amazon, astro navigation, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, global positioning system, GPS failure, mathematics of astro navigation, mathematics of celestial navigation, navigation

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Finding Longitude In A Survival Situation.
We know that the Earth revolves about its axis once every 24 hours. In other words, the Sun completes its apparent revolution of 360o in 24 hours. This means that the Sun crosses each of the 360 meridians of longitude once … Continue reading →
Posted in Astro Navigation Topics, Survival

Tagged amazon, astro navigation, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, mathematics of celestial navigation, survival, survival  astro navigation, survival  navigation

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Latitude from Polaris
Using The Pole Star (Polaris) To Find Your Latitude Assume that the Pole Star (Polaris)is exactly in line with the Earth’s axis produced, as shown in the following diagram. To an observer O on the Equator (lat. 0o) the Pole … Continue reading →
Posted in Astro Navigation Topics, navigation, Schools, Survival

Tagged amazon, astro navigation, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, mathematics of celestial navigation, navigation, survival, survival  astro navigation, survival  navigation

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Spherical Trigonometry Introduction
In the diagram above, the inner circle represents the Earth and the outer circle represents the celestial sphere. Point N represents the North Pole, B represents an observer’s position on the surface of the Earth, and U represents the geographical … Continue reading →
Posted in Astro Navigation Topics, Schools

Tagged amazon, astro navigation, astronomy, book, celestial, celestial navigation, celestial navigation for dummies

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