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Re: Online Celestial Navigation Course (free)
I recently completed the Vanderbilt course. It was very good. It explained how celestial navigation worked in theory, but did not explain how the values used in the calculations were determined, since everyone but a PhD in astrophysics is just going to look them up anyways. The course does not claim to teach you other uses for a sextant such as range finding, but this information is easy to understand and fairly intuitive and can be found in almost any basic book on navagation. It does only cover using the sun as your celestial body. It says it covers other celestial bodies in the supplemental material, but I could not find that. That being said using a sextant is an art that must be practiced and will always be limited by the physical environment. I think it is a great skill to have, even if you never need it. Like learning CPR, a defibrillator, epinephrine, and intubation work better, but...