Re: More Moon and Sun

[zaidan@fsas.upm.edu.my (FIZ/Zaidan Abd. Wahab (Dr.) )]

> Jim Green <Jim.Green@Snow.edu> wrote

> I think I didn't ask for the information I need:

> I think I need the *equations* to determine the positions of the Sun and
> Moon and the Moon phase so I can plot them or feed the data into a spread 
> sheet.

Hello

If you want the equations perhaps I could suggest the source book to look up.
Some of the equations may be lengthy depending on the accuracy of the result you 
need.

1. PRACTICAL ASTRONOMY WITH YOUR CALCULATOR 3rd. ed.
   Peter Duffett-Smith. Cambridge U Press 1990.
   
   { I foud this book simple to understand and the required equations are given  
     clearly }.
   
2. ASTRONOMICAL FORMULAE FOR CALCULATORS 4th. ed.
    Jean Meeus.  Willmann-Bell 1988.
    
3. ASTRONOMICAL ALGORITHMS
   Jean Meeus. Willmann-Bell  
   
   The last two books are said to be authoritative in the subject.  Hence you 
can get good tricks and computational algorithms to apply.
   
   good luck
   
   -zaidan abdul wahab-