Celestial Navigation, Episode 13: Pre-calculating stars and planets

Practical Celestial Navigation course: Pre-calculating the positions of stars and planets using three methods: (1) H.O. 249 Volume 1, Selected Stars; (2) The Rude Starfinder; (3) the Planet Diagram from the Nautical Almanac. Plus some suggestions about best practices for being organized to take star and planet sights. FOR A FULL LIST OF COURSE EPISODES, PLEASE REFER TO EPISODE 1.