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- Mate (Oceans or Near Coastal (Uninspected Fishing Industry Vessel)) »
- Q191 - Navigation General: Oceans
244. The values of the Greenwich hour angle and declination, tabulated in all almanacs, are for the _________.
Almanac values for Greenwich hour angle and declination are referenced to the geometric centers of celestial bodies. Observations are often taken on a limb, but these are corrected to equivalent center altitudes for navigation.
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