【實用教育app】AstroNav Lite|最夯免費app-綠色工廠好玩App

AstroNav, the one-stop solution to finding your position with celestial bodies.***Now available as free lite version with reduced functionality***Use this app in conjunction with its inbuilt sextant or a commercial one to find your position on Earth at any time. All you need is the Sun, Moon, a star or planet in the sky and a steady hand. You do not even need a sextant to use this app as this functionality is built in and can give you accuracies to within a degree with practice, which is good enough to give your position to a few miles. (Note that the Lite version is not as accurate as the Full version)It is of course not a replacement to the iPhones ability to find your location nor is it as accurate, but this is how sailors and explorers used to navigate for hundreds of years and it gives a tremendous feeling of achievement to find your location with only a few celestial bodies! Features: -Inbuilt sextant (Calibration only in full version)-Sight Reduction with Sun, Venus and 12 stars. (56 stars, Sun, Moon, Venus, Mars, Jupiter and Saturn in full version)-A map to display your intercept.-A (shortened) tutorial to get you started. The data and algorithms used are not as accurate as the full version but can still give you decent results but the Lite version is limited to 3 sight measurements at one time.