Nautical Almanac for Jupiter

The Nautical Almanac available here tabulates the coordinates of the Geographical Position of Jupiter (in Greenwich Hour Angle and Declination) for each integral hour of the year. Time is recorded in Universal Time (UT).

Arrangement

On activating the almanac tables from the links below (see "Interactive Tables") the almanac data with the Greenwich Hour Angle (GHA) and Declination (Dec) for 6 successive days will be generated in a separate window. This window also contains navigation buttons to display and print appropriate parts of the Nautical Almanac.

Beside the coordinates of the Geographical Position also the following information is listed for each day:

  • the Greenwich Culmination Time (GCT). This is the time in UT at which Jupiter "passes" the Prime Meridian at Greenwich (at this moment the GHA for Jupiter is 0°).
  • for each 4 hours (02:00 UT through 22:00 UT) the Semi-Diameter (SD) and the Horizontal Parallax (HP) is recorded.



Tables

Interactive Tables

With one of the links below, the interactive Nautical Almanac for Jupiter is started in a new window.

Table

The generated pages should fit on a single A4 or Letter paper format if printed out (this may depend on the configuration of your HTML browser and your printer).

To obtain the correct GHA and Declination for the time of observation the "Interpolation and Conversion Tables" may be useful. For the correction of measured Sextant Angle use the "Correction Tables for Sextant Altitudes".
 
Both the Interpolation and Correction tables are not restricted to a specific year.




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