Monthly Archives: July 2015

The Role Of Altitude, Azimuth And Zenith Distance In Astro Navigation.

Point Z represents the zenith of the observer’s position.  Point X represents the position of the celestial body and this point, if projected onto the Earth’s surface, would correspond to the Geographical position of the body. P and P1 are … Continue reading

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The Ecliptic, The Age of Aquarius and the Tropics.

The Ecliptic.  Because of the orbital motion of the Earth, the Sun appears to us to move around the celestial sphere taking one year to complete a revolution. This apparent movement of the Sun is called the Ecliptic.  A year … Continue reading

Posted in astro navigation, astronomy, celestial navigation