CelNav 360 at Mac App Store analyse

A compact visual approach to the celestial navigation workflow -- Features -- Realtime computed horizon in panoramic projection. Use for star/planet identification, sight preparation, true bearings etc. Sight reduction (ephemerides calculated internally) for the sun, moon, bright planets, and the 58 almanac-listed navigational stars Lines of position (intercept method) plotted on a pan/zoom grid centered on Assumed Position