Please select your home edition
Edition
North Sails 2021 Innovation - LEADERBOARD

Shamans, Shadows, Sextants and Ships: Introduction to Celestial Navigation webinar

by American Sailing Association 16 Aug 2021 14:01 UTC 16 September 2021
Online Class: Intro to Celestial Navigation © American Sailing Association

Have you ever been anchored at night and found yourself looking up at the sky thinking "How did the early sailors use the stars to travel the whole world?"

This introductory course from the American Sailing Association is designed to be an enjoyable and interesting exploration that will reveal your truly innate understanding of navigation. You will see how ancient people used the sun and stars and how insights and simple techniques have evolved through history.

This course provides the concepts and structure upon which you will eagerly anticipate your future navigation classes, even if they aren't celestial.

Topics

  • Three basics of navigation: location, direction, and distance
  • Viking Sunstones
  • Babylonian Astronomy and Arithmetic
  • How a sextant works
  • What does latitude have to do with nautical miles?
  • How 17th century navigators traveled the world using only latitude
  • Why is longitude measured in time (hours, min, etc)?

Thursday, September 16th, 4:30 PDT / 7:30 EDT

Register now here

Related Articles

Intro to Marine Diesel Online Class
Designed for both the professional and recreational users of small diesel engines This class is designed for both the professional and recreational users of small diesel engines. Posted on 31 Jan
13 unlucky sailing situations you can avoid
Register for this two session course on how to prepare and prevail The most important part of your sailing education is knowing what to do when things go wrong to protect yourself, your crew, and your vessel. Posted on 27 Dec 2021
Introducing ASA online study quizzes
Challenge your sailing knowledge with over 100 questions Buy all the ASA practice quizzes and challenge your sailing knowledge with over 100 questions designed to push you and expand your knowledge. Posted on 12 Dec 2021
5 things you should know about sailing vacations
Are you confident in your ability to head out and bareboat charter? Considering a sailing vacation is often just a far off fantasy for plenty but once you obtain the confidence through your sailing education it feels like a charter boat is that much closer to becoming a reality. Posted on 5 Dec 2021
Optimize Your Cruising Efficiency
Register for our next webinar on December 14th and learn to cruise efficiently Cruising efficiently involves a balance of factors including time, cost, energy consumption, comfort and safety - a unique combination for every mariner. Posted on 1 Dec 2021
ASA sailor saves woman adrift off Los Angeles
During the maiden sail of his Catalina 25 Defiant Most of the time, when a sailing skipper rescues someone from the water, it's one of the crew who fell overboard, and it's usually a man (85%), but not this time. ASA Student Khosrow Khosravani, with three friends Posted on 25 Nov 2021
Docking & Maneuvering webinar series
Taking place October 5-7 This course is suitable for sailors of all levels who wish to improve maneuvering skills and docking techniques. Discover how a boat's individual characteristics affect maneuverability under power, and how you can use those features to your advantage. Posted on 4 Oct 2021
Intro to Celestial Navigation webinar next week
Understanding the night sky can help you become a better navigator and sailor Have you ever been anchored at night and found yourself looking up at the sky thinking "How did the early sailors use the stars to travel the whole world?" Posted on 6 Sep 2021
Advanced cruising and seamanship seminar
Register now for the event at the Annapolis Boat Show Become a better cruising sailor in one day with our Advanced Cruising and Seamanship course taught by the author and contributors of ASA's newest best-selling book. Posted on 1 Sep 2021
Advanced Cruising and Seamanship textbook
The information inside will help any sailor serious about mastering their skills This is ASA's first collaboration with North U, giving the book a special insight and depth into upwind and downwind sail trim and tactics that make Advanced Cruising & Seamanship a must-have for any sailor. Posted on 30 Jul 2021
Selden 2020 - FOOTERHyde Sails 2021 - Basic FOOTERJ Composites 2020 - FOOTER