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- Q135 - Navigation Problems: Oceans
40. At 0520 zone time on 17 March, while taking stars for a morning fix, you observe an unidentified star bearing 050°T, at an observed altitude (Ho) of 45°00.0'. Your DR position at the time of the sight is LAT 27°23.0'N, LONG 39°42.0' W. The chronometer time of the sight is 08h 22m 15s, and the chronometer error is 01m 45s fast. Your vessel is steaming on a course of 300°T at a speed of 18 knots. What star did you observe?
Deneb's predicted altitude and azimuth, calculated using the Nautical Almanac and star tables for the given time and position, match the observed altitude of 45 on a bearing of 050T.
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