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- Q142 - Navigation Problems: Oceans
531. On 8 April your evening DR position is LAT 22°16.0' N, LONG 157°58.3' W. You observe an unidentified star bearing 238°T at an observed altitude (Ho) of 50°02.7'. The chronometer reads 05h 09m 57s and is 01m 23s slow. What star did you observe?
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« Go to questions from category Q142 — Navigation Problems: OceansSight reduction calculations using the Nautical Almanac and sight reduction tables reveal that only Alnilam produces a computed altitude and azimuth matching the observed values of 5002.7' and 238T, respectively, from the given DR position and time.
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