ReedNavigation.com

Classes in celestial navigation and related topics
 

Celestial Navigation in the Age of Sail

2026:
  • Register Oct 31,Nov 1 ATLANTIC session: 10am-4pm US Eastern time (1500-2100 UT), online.

Navigate like the crew of the Charles W. Morgan! A fast-paced, two-day introductory workshop in the history and practice of celestial navigation in the Age of Sail. Examining original logbooks and notebooks from the Morgan's voyages we'll apply these same methods to modern navigation. By the end of the weekend, you'll have all the tools you need to sail by the Sun and stars across any ocean. And we'll follow a historic whaling voyage of the Charles W. Morgan across the Pacific, a voyage filled with intrigue: an unknown illness, a captain's resignation, and a mutiny, and port calls on tropical islands and the snowy north of Japan.

In this class, we'll learn how to use and adjust sextants. We'll become experts in the classic method of finding latitude by "Noon Sun". We'll also cover in detail the "equation of time", the "analemma", and the mysterious math of longitude ... mysterious on day one, easy by the end of this two-day workshop! Throughout, we will compare what we're doing with actual logbook entries and calculations in the collections of Mystic Seaport Museum, bringing historical documents to life.

This is real navigation, not just a class "about" navigation. Fast and intense, students who complete this workshop will have the basic celestial navigation skills to cross any ocean using the Sun, a sextant, and a few other simple tools, drawn directly from New England maritime history.

All workshops: $ 149 per person, per workshop

Created and taught by Frank Reed, celestial navigation and astronomy consultant on the team that found Shackleton's "Endurance" in 2022. Also a recent guest expert in celestial navigation on Neil deGrasse Tyson's StarTalk on The National Geographic Channel.

If you're registered for an online workshop, you're invited to attend hour-long sextant practical sessions in Rhode Island and Connecticut scheduled as weather and other factors permit. These live, in-person sessions are included in your registration for online classes.

Comments:


Captain Richard D. Buchanan wrote:
I have taken Frank's Modern Celestial Navigation class twice. I am always inspired and I always come away with a few practical techniques and more than a few insights into the history and beauty of celestial navigation. You owe it to yourself to enjoy this class, whether or not you are a mariner.
John Brown wrote:
Frank
Thanks for a great app. The new option of using SI unit is really useful for us on the other side of the pond.
I have upgraded to the pro version and passed news of the upgrade to a friend learning to use her sextant. No doubt she will also relay this info.
Best regards
John Brown
Philip M. Sadler wrote:
What a joyful and stimulating experience to enroll in Frank Reed's class, Celestial Navigation: 19th Century Methods. Frank is a skillful and engaging teacher, able to draw students into this fascinating subject, whether they be novice or experienced. His depth of knowledge is tremendous. Participants get a real taste of what it was like to be aboard a sailing ship of the day. I learned much to enliven my own teaching and decode 19th century ship's logs. It is a rare experience, indeed, to have so much thoughtfulness, enthusiasm, and fun packed into two days. This is the way to learn!

Philip M. Sadler, Ed.D.
F.W. Wright Senior Lecturer in Celestial Navigation
Harvard University Astronomy Department
Cambridge, MA

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