Celestial Navigation

Application: Astronavigation

Identification of celestial bodies.
Nautical Almanac, including sun and moon phenomena.
Sights: correction of the observed altitude and calculation of line of position (type of LoP: Marcq Saint Hilaire).
Celestial Fix. GPX file output that serves as an input to OpenCPN. Complete solution: fix, circles of position, confidence ellipse.

The Running Fix problem is easily solved using Astronavigation.exe
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Circles of position or Circles of equal altitude. General scale.

Fix and confidence ellipse. Coastal scale.

Pack overview
Software is available for free, for non-commercial use, at: http://sites.google.com/site/navigationalalgorithms/ (Only for Windows®)
Plotting circles of equal altitude: Method explained