: Offers a command-line interface for advanced users and a GUI for standard Windows use. It is highly customizable via switch files. Download Options
: Generates wheels, aspect/midpoint grids, local horizon maps, and astrocartography.
: Features a 195,000-city atlas to provide accurate coordinates and automatic daylight saving time detection.
The software is available in several formats depending on your system:
: For users who prefer working without menus or within Unix-like environments.
: Supports geocentric and heliocentric calculations, 23 house systems, and 10,800-year ephemeris for high precision.
: For most users, ast78win.exe is the standard installer.