#Celestial air navigation how to#

By default, the time is set to local time rather than GMT/UTC. Visibility of Planets, Moon phases and Select Stars. (from The Air Almanac 2021) Equation of Time curve (for the Sun) Day of week, Week Number and Day of Year for 2021. Meridian Passage and Declination of the Sun at 12 h UT.

By default, the stars are sorted by e 'Options' -> 'Settings' -> 'Sort stars alphabetically' to sort by name rather than number.Ģ. Navigational Star Chart- how to use it for star identification. This allows each set of sights to be viewed separately without having to delete the previous set of sights.Ī 'Starfinder' uses the device's GPS and orientation to show each celestial body.ġ.

Also provides the algorithms for DeadReckoning, like calculation of Estimated Altitude and Azimuth. It does not imply navigation among the stars as you probably imagined. Java algorithms to calculate celestial ephemerides, for astronony, and celestial navigation. The calculated line of position can be saved to the 'Records' and placed on the provided map via a single click.Īll calculated lines of position stored in the 'Records' tab can be displayed or hidden from the map. What is Celestial Navigation Celestial navigation includes finding your ships position at sea using various celestial bodies such as the sun, the moon, the planets and the stars. * intercept distance and direction (towards/away)ĭetails of the calculation from sextant altitude to observed altitude are shown.ĭetails of calculation from assumed position longitude to LHA of body are shown. * calculated altitude of the celestial body body (Hc) * actual altitude of the celestial body (Ho) * altitude of the celestial body read from sextant entered by user (Hs) * celestial body selected by user from a list of sun, moon, planets and stars

* date and time entered by user or taken from device's GPS chip * assumed position entered by user or taken from device's GPS chip The best app that I’ve seen for celestial navigation. There is no clutter of unnecessary “features”. Traditional celestial navigation requires measuring the angle of a star or planet in the sky. This app has everything that one needs to resolve several sights into a fix.

#Celestial air navigation how to#