AstroPlanner is a software application for Macintosh and Windows computers that facilitates astronomical observation planning, visualisation and logging, as well as control of telescopes with computerised go-to mounts or digital setting circle controllers.

AstroPlanner is shareware and you are welcome to download and try a fully-functional version at no cost.

The application requires macOS 10.14 or after, or Windows 8.1 or later. (There is an unsupported version that requires macOS 10.11 or after, or Windows 7 SP 1 or after)