Long by Chron - Part 1 (Celestial Navigation)

This video shows mariners how to use the "Long by Chron" method to calculate the ship's observed longitude using the sextant altitude of the Sun as the celestial body. This is Part 1 of the video. Part 2 of the video shows you how to calculate the Position Line (P/L). Mariners must watch the Playlist of Celestial Navigation videos provided at the end of this video.