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Celestial navigation is a way to find your latitude and longitude on earth using a sextant to measure the angular heights of celestial bodies above the horizon. It has been used by …
This book turns the 2102-D Star Finder into a hand-held planetarium, which will become your most important tool for star ID and for planning star and planet sights. It also …
No power, and batteries used up? This book and an inexpensive Mark 3 sextant lets you carry on. Alternatively, if you want to learn a basic celestial navigation position fix for …