The Silverlight Celestial Naviagation is a full featured celestial navigation and site reduction program. This is work in-progress. Features include:

• Nautical Almanac
• Sextant Site Reduction
• Display Visible Planets and Stars
• Plot Line of Position

A very early working version of the Silverlight Celestial Navigation application can be run here.

This program was used in practice by taking the sextant readings on July 26, 2009, outside Channel Islands Harbor 34°08.704'N 119°14.607W. Our morning site: 10:47:31 67°44.6'

Noon site: 12:03:30 75°06.5':

Resulting Lines of Position:

Visible Stars