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- Master & Chief Mate (Oceans or Near Coastal (Unlimited Tonnage)) »
- Q109 - Navigation Problems: Oceans
321. On 3 December evening twilight for your vessel will occur at 1901 zone time. Your vessel's DR position will be LAT 24°18.5' S, LONG 110°30.6' W. Considering their magnitude and location, what are the three stars best suited to observe for a fix at star time?
Alpheratz, Achernar, and Nunki are the best choice due to their brightness, favorable altitudes from the given position, and wide separation in the sky, ensuring a strong three-star fix.
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