Real Time View of the Constellations
See the stars and constellations visible now from DAC ! For sailors, celestial navigation is a step up from dead reckoning. This technique uses the stars, moon, sun, and horizon to calculate position. It is very useful on the open ocean, where there are no landmarks.
Navigators must be familiar with the different constellations at different times of the year, as well as the different constellations in the Northern and Southern Hemispheres