Position of the Moon by
Spreadsheet
for a month
download
Select the table 'input': | |
Input (red frames): 1) hour UT, min |
|
The table 'calc' performs the calculations, using a lot of auxiliary variables. Don't edit any cell. | |
Select 'elev az_illum' to see data and diagrams of elevation, azimut and illumination. | |
Select 'distance declin' to see data and diagrams of geocentric distance and declination. | |
Select 'orbit' to see the orbit of the Moon around the Earth. | |
Select 'L B' to see data and diagrams of ecliptic longitude and latitude. | |
Select 'sol ecl' to explore solar eclipses. | |
Select 'lun ecl' to explore lunar eclipses. |
Comparing my
results for the illuminated fraction of the spreadsheet
(geocentric) with the 1 decimal values of MICA
the error is (0,02 ± 0,03) %.
***
Download speadsheet (Windows
und Mac): moon_month.ods (LibreOffice,
recommended) |
|
Die Zeitgleichung: Eine einfache Formel zu Sonnenaufgang und Untergang General
Solar
Position Calculations (PDF) MICA (Multiliyear Interactive Computer Almanac 1800-2051), US Naval Observatory 2011, no longer published |