Position of the Sun by
for a year
|Select the table 'input':|
Input (red frames):
1) hour UT, min
|The table calc performs the calculations, using a lot of auxiliary variables. It should be neglected.|
|Select elev az to see data and diagrams of elevation and azimuth.|
|Select E o T for data and diagrams of the Equation of Time.|
|Select declin dist to see data and diagrams of the declination and distance.|
|Select orbit to see data and a diagram of the ecliptic orbit.|
the results "elev" (airless) of my spreadsheet with the 4
decimal places of HORIZONS
(NASA JPL) the mean absolute error is (0,0036 ± 0,0017)°.
Azimuth is measured North(0°) -> East(90°) -> South(180°) -> West(270°) -> North (360°).
sun_year.ods (LibreOffice, recommended, Windows, Mac)
(Multiliyear Interactive Computer Almanac), US