Inspiring Ocean Sailing navigating by Sextant
28. november 2023 · 4 min · 544 visninger · Atlantic Ocean
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Celestial navigation by sextant on an Atlantic passage forms the core of this content. Leon Schulz plots an estimated position (EP) on a paper chart, tracking course changes made overnight in response to shifting wind.0:26 He demonstrates the sextant sight process: noting that his watch runs three seconds fast and must be corrected, reading an altitude of 38 degrees 41 minutes, and selecting a log entry as close as possible to 1625 with a specific decimal value to match the morning sight.0:46 The sea state is described as slight — not flat, but calm enough for a reliable sight.1:07 A second navigator cross-checks the EP against the morning sight result.3:10 Conditions are open-ocean Atlantic, with no land in sight.1:26 Crew life between sights includes freshly baked rolls for lunch and fresh tuna at dinner.2:08 The passage illustrates how EP plotting from dead reckoning and timed sextant sights are used together to track position without electronic navigation.
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