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.
LicenseFree
File Size131.53 kB
Version1.0.0.41
Operating System Windows Me Windows Windows 95 Windows NT Windows 2000 Windows XP Windows 98