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March 16, 2022 at 11:42 am #10548
ChrisRR
ParticipantHey,
I want to calculate latitude and longitude from the stars. Can you recommend some articles or websites where I can find formulas?
Thanks.April 2, 2022 at 5:31 pm #10560David Williams
ParticipantGet the book, Celestial Navigation in the GPS Age, by John Karl. Beginning on page 77 the topic is Position without St. Hilaire. There are six equations which each must be solved in turn to arrive at Latitude and Longitude. I programmed my HP calculator to solve these equations and it works.
August 11, 2022 at 8:35 am #10579RCCaruso
ParticipantI agree with David Williams’ suggestion. Celestial Navigation in the GPS Age, by John Karl is an excellent book. But I don’t agree with the idea of beginning on page 77, if I’m interpreting his suggestion correctly. It would be much better to start on page 1. The great virtue of John Karl’s book is that he explains the” why” of celestial navigation, not just the “how”. The “cookbook” approach of just using formulas or equations without an inkling of what you are doing is not very satisfying and may lead to mistakes. By the way, the name of the book is somewhat confusing; GPS does not play a significant role in the text. “Celestial Navigation in the late 20th century” would be a more accurate, if less glamorous, name.
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