ALMANAC - 2017

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Tthe Nautical Almanac for the year 2017. It contains the ephemerides of the Sun, of the Moon and of the planets. Tables of correction of the heights and astronomical phenomena.

CONTENTS OF THE ALMANAC 2017

Presentation
index
description of the ephemerides

FIRST CHAPTER
daily ephemerides of Sun, Moon and planets
twilights, transits, rise
correction to rise and sunset
equation of the time

SECOND CHAPTER
interpolation
corrections to the measured heights with the sextant
formulae
charts of correction
depression of the horizon
atmospheric refraction
parallax
corrections for the Moon

THIRD CHAPTER
chronological cycles
time
astronomical calendar
eclipse of the Sun
eclipse of the Moon 2
planets
phases of the Venus
phases of the Moon
apogees and perigee of the Moon
stars nautical and constellation
hemisphere celestial north
hemisphere celestial south
disclaimer

 

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Software.

Ephemerides to high precision founded on the planetary theory VSOP87 and on the lunar theory Elp-2000/82 of Bretagnon and Francou. of the Bureau des Longitudes.

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Description

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Corrections to the measures of height

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Stars Sun Moon

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Recognition of nautical stars
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Lunar phases (Almanac)
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Parallax of the Sun and the Planets
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This site is devoted to the astronomical navigation with the use of the sextant.
Here you can find the nautical almanac and you can download many softwares of nautical astronomy.

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