Monthly Archives: November 2014

The Accuracy of Astro / Celestial Navigation

 U.S. Navy and Royal Navy navigators are taught that the accuracy of astro navigation is ±1 minute of arc or 1 nautical mile and that where position lines are derived from astronomical observations, the resultant position is not known as a … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Finding Stars and Constellations – Part III

This post continues the series Finding Stars and Constellations. Lyra, Cygnus and Aquila – The Summer Triangle. The diagram below shows the constellations Lyra, Cygnus and Aquila. If we follow the reference line ‘the Pointers’ from Ursa Major to Polaris, … Continue reading

Posted in Uncategorized | Leave a comment