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- Q142 - Navigation Problems: Oceans
196. On 24 October your 0100 DR position is LAT 27°42' N, LONG 158°35' E. You are on course 085°T at a speed of 12 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0700 running fix. Body Zone Time GHA Observed Declination Altitude Rigel 0558 238°11.2' 38°39.5' S 08°13.2' Capella 0600 238°16.1' 55°15.1' N 45°58.7' Denebola 0604 141°05.0' 33°39.8' N 14°40.6'
The 0700 running fix is determined by advancing the DR position and reducing three celestial sights (Rigel, Capella, and Denebola) to obtain lines of position, which then intersect at LAT 2756.0'N, LONG 15947.3'E.
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