Celestial Navigation
Application: Astronavigation
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
- 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.
Circles of position or Circles of equal altitude. General scale.
Fix and confidence ellipse. Coastal scale.
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