This free online course covers the calculations used during celestial navigation using the equatorial coordinate system. Celestial navigation requires an understanding of the solar system, its measurements and the calculations involved during the navigation of a shipping vessel. If you have an interest in celestial navigation, this free online course will help you learn about these procedures, as well as how to obtain the local hour angle and declination for the GMT.
| Course Category | Education |
| Course Type | Online Learning |
| Course Qualification | CPD Diploma |
| Course Duration | 10-15 hours |
| Course Fee | Free |
| Entry Requirements | Like all courses on the Alison Free Learning platform this is a free, CPD-accredited course. A Graduate can choose to buy a certificate or diploma upon successful completion of a course, but this is not required or necessary. At Alison we believe that free education, more than anything, has the power to break through boundaries and transform lives. Alison is the world’s largest free online empowerment platform for education and skills training, offering over 5000 CPD accredited courses and a range of impactful career development tools. It is a for-profit social enterprise dedicated to making it possible for anyone, to study anything, anywhere, at any time, for free online, at any subject level. Through our mission, we are a catalyst for positive social change, creating opportunity, prosperity, and equality for everyone. |
| Career Path | What You Will Learn In This Free Course • Explain the concept of the celestial pole, solstices and equinoxes • Discuss the differences between perihelion and aphelion • Analyze the sidereal hour angle (SHA) and declination of bodies • Describe the twilight and the earth-moon system • Analyze solar and lunar eclipses and the conditions required for them to occur • Recall the features of the sextant altitude and rational horizon • Discuss the theoretically visible sunrise and sunset • Indicate the relationship between time and longitude • Identify the purpose of zone, standard times and their applications List the methods of position fixing of a ship when the ship is out of sight of land |
| Course Code | 3290 |
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