Navigation Problems USCG Question #1103 (Set 33)

On 26 November at 0535 ZT, while taking sights for a morning fix, you observe an unidentified planet bearing 074°T at an observed altitude (Ho) of 38°29.8'. Your DR position is LAT 27°18.9' S, LONG 30°18.4' E. The chronometer time of the sight is 03h 33m 16s, and the chronometer is 01m 48s slow. What planet did you observe?

Official USCG Answer & Rule Citation

Correct Answer: Option B — Saturn

Computing planet sight reduction requires applying Ephemeris corrections to Greenwich Hour Angle and declination for the observed time, then matching the resulting intercept and azimuth to determine Saturn.

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