The New American Practical Navigator: Being an Epitome of Navigation; Containing All the Tables Necessary to be Used with the Nautical Almanac in Determining the Latitude, and the Longitude by Lunar Observations, and Keeping a Complete Reckoning at Sea; Illustrated by Proper Rules and Examples: The Whole Exemplified in a Journal Kept from Boston to Madeira, in which All the Rules of Navigation are Introduced ...

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E. & G. W. Blunt, proprietors, 1837 - Nautical astronomy - 756 pages
 

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Contents

Right ascensions and declinations of the fixed stars 80
80
Suns rising and setting 64
86
Proportional parts 87
87
Refraction of the heavenly bodies 83
88
To find the correction and logarithm of a lunar observation when a star or either of the planets Jupiter or Saturn is observed 89
89
To find the correction and logarithm of a lunar observation when the sun is used 97
97
To find the correction and logarithm of a lunar observation depending on the moons altitude 99
99
For finding the third correction of a lunar observation 130
130
For turning degrees and minutes into time and the contrary 131
131
Proportional logarithms 132
132
For finding the latitude by two altitudes of the sun 148
148
Natural sines and cosines 160
160
Log sines tangents c to points and quarter points 169
169
To find the time of the moons passing the meridian 230
230
To find the moons declination c 231
231
To find the suns right ascension 237
237
Variation of the suns altitude in one minute from noon 239
239
To reduce the numbers of Table XXXII to other given intervals from noon 243
243
Errors arising from a deviation of one minute in the parallelism of the surfaces of the central mirror 244
244
Longitudes and latitudes of the fixed stars 245
245
Reductions of latitude and horizontal parallax 246
246
Aberration of the fixed stars in right ascension and declination 247
247
Nutation in right ascension and declination 248
248
Augmentation of the moons semidiameter found by the nonagesimal 249
249
Equation of second differences 250
250
To find the horary motion of the moon
398

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