 | Lowis d'Aguilar Jackson - 1880 - 522 pages
...the corrected altitude from 90°, and thus obtain the true zenith distance, which is then marked as north or south, according as the zenith is north or south of the celestial body ; then, if the declination is similarly marked in the Nautical Almanac, the sum of the... | |
 | Nathaniel Bowditch - 1906 - 670 pages
...its zenith distance. From the figure we have: jrIQ 42. By attending to the names of z and d, marking the zenith distance north or south according as the zenith is north or south of the body, the above equation may be considered general for any position of the body at upper transit, as... | |
 | Nathaniel Bowditch - 1920 - 840 pages
...distance. From the figure we have: QM+MZ, or FIG. SO. Q£: By attending to tlie names of z and d, marking the zenith distance north or south according as the zenith is north or south of the body, the above equation may be considered general for any position of the body at upper transit, asM,... | |
 | Nathaniel Bowditch - 1931 - 866 pages
...zenith distance. From the figure we have: QZ = OM + MZ, or By attending to the names of 2 and d, marking the zenith distance north or south according as the zenith is north or south of the body, the above equation may be considered general for any position of the body at upper transit, as... | |
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Call the zenith distance north or south, according as the zenith is north or south of the object. 
