PDA:Palm OS:Leisure:Astronomy Views 1051 (+0) / Rating 7.50 / Free
This programme graphically displays the phase of the Moon on any given day.
PDA:Palm OS:Leisure:Astronomy Views 321 (+1) / Rating 10.00 / Free
This is a simpleton telescope pattern calculator for the amateur astronomer. It contains the following formulas: Magnification Speed/f-number Degrees of battleground Exit Pupil Dawes Limit Effective focal length with Barlow