celestial navigation freeware downloads
C2A
2.1.14 freeware download... the standout features of C2A is its extensive celestial database, which includes over 2.5 million stars from ... detailed and can be customized to display various celestial objects, coordinate grids, and other relevant information. Users ...
Nautical Almanac
2017 freeware download2017 Nautical Almanac in pdf format which includes monthly star charts with the planets' positions. It also includes parallax corrections for the planets. Supplementary tables such ...