Tag Archive for: Celestial Navigation

Longitude Mystery

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The Longitude Mystery- zero degree line of longitude was selected and placed in Greenwich in 1751 and then in 1851 it was moved a few feet.

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Transit of Venus: Celestial Navigation

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This won’t happen again in our lifetimes apparently. Venus, as I write is transiting the sun and a few moments ago I got to see it. It’s a very small dot on the sun but viewable none the less unmagnified. But you HAVE TO wear eclipse glasses or welding glasses to protect your eye and […]

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James Cook Observation of Solar Transit of Mercury

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This weekend I visited a very special and historically significant celestial navigation place. It’s called Mercury Bay and it’s in the Coromandel Peninsula in New Zealand. Cooks beach lies on the edge of Mercury bay and is thus named after lt. James Cook, the famous world explorer of the 1700’s. Cook visited Mercury Bay in […]

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Simplistic Explanation of Latitude and Longitude Determination

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The posting here is not a course in celestial navigation by any means. However it’s meant to simplify a few principles for you so that you’ll at least have some sort of celestial orientation. And… perhaps it’ll inspire you to learn the aging art. This was written by Grant Headifen, Educational Director of NauticEd. NauticEd […]

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New Course on Celestial Navigation

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Well it is finally here – one of our most requested courses yet – focused entirely on Celestial Navigation. The Introductory course gives a good introduction to spherical geometry and also to the theory of a noon solar sight. It takes the student through an actual sighting and uses real tables to calculate the Latitude […]

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