1 - C2A 2.1.5 C2A : An incredibly powerful piece of software displaying a real time updating and customizable sky map with support for telescopes and various observation tools License: Freeware OS: Windows Size: 41 MB KB
11/11/2023
2 - Tycho-2 Tycho-2 : A C2A user catalog License: Freeware OS: Windows Size: 149 MB KB