Messier Marathon is a program that calculates an observation plan for a Messier Marathon including the positions in RA/Dec and Alt/Az for your location and the intended time. I use this program for the preparation of Messier Marathons in November and particularly in the end of March.
Price USD 0
License Free
File Size 131.53 kB
Version 1.0.0.41
Operating System Windows 95 Windows 2000 Windows 98 Windows Me Windows Windows XP Windows NT
System Requirements None