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- Q135 - Navigation Problems: Oceans
62. On 1 October you determine the zone time of evening twilight will be 1835. Your DR position will be LAT 27°18.0'N, LONG 48°52.0'W. Considering their magnitude and location, which group of three stars are best suited to be used in obtaining a fix at star time?
Alphecca, Kochab, and Deneb are the best choice because they are bright, well-positioned above the horizon from 27N, and offer good separation for accurate lines of position.
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