To register for ReedNavigation.com navigation classes offered at Mystic Seaport, at this time, the best way to do so is to phone Mystic Seaport's programs reservation desk at 860-572-5322.
Let them know the name of the class you're interested in taking: EITHER Celestial Navigation: 19th century methods OR Easy Introductory Celestial Navigation by Noon Sun. Also confirm the dates to be sure you have the right class. Mystic Seaport accepts all major credit cards.