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- Q127 - Navigation Problems: Oceans
75. On 13 June your 0445 DR position is LAT 20° 12.0' N, LONG 44° 45.0' W. You observe an unidentified star bearing 168° T at an observed altitude (Ho) of 38° 56.0'. The chronometer reads 07h 43m 20s, and is 01m 39s slow. Which star did you observe?
Fomalhaut is the correct identification because its computed altitude and azimuth closely match the observed values for the given DR position, date, and time, as determined using star identification tables.
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