Transcription of NavSoft’s CELESTIAL NAVIGATION TUTORIAL
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Using a Sextant Altitude The Concept CELESTIAL NAVIGATION Position Lines Sight Calculations and Obtaining a Position Correcting a Sextant Altitude Calculating the Bearing and Distance ABC and Sight Reduction Tables Obtaining a Position Line Combining Position Lines Corrections Index Error Dip Refraction Temperature and Pressure Corrections to Refraction Semi Diameter Augmentation of the Moon s Semi-Diameter Parallax Reduction of the Moon s Horizontal Parallax Examples Nautical Almanac Information GHA & LHA Declination Examples Simplifications and Accuracy Methods for Calculating a Position; Plane Sailing Mercator Sailing CELESTIAL NAVIGATION and Spherical Trigonometry The Concept of Using a Sextant Altitude Using the altitude of a CELESTIAL body is similar to using the altitude of a lighthouse or similar object of known height, to obtain a distance.
CELESTIAL NAVIGATION TUTORIAL . Contents . Using a Sextant Altitude 2 . The Concept . Celestial Navigation . Position Lines 3 . Sight Calculations and Obtaining a Position 6 . Correcting a Sextant Altitude . Calculating the Bearing and Distance . ABC and Sight Reduction Tables . Obtaining a Position Line . Combining Position Lines
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