CPWI 2.5

CPWI by Celestron LLC is a free Windows application that provides comprehensive control of Celestron computerized mounts from your PC. Developed in collaboration with PlaneWave Instruments, it combines a powerful mount-control engine with an intuitive planetarium interface, making it easy to plan targets, slew to objects, and manage observing sessions.

CPWI supports both USB and Wi‑Fi connections and works seamlessly with key Celestron technologies, including StarSense AutoAlign and All-Star Polar Alignment. Its advanced, multi-point alignment modeling delivers excellent pointing accuracy across the sky, whether you align manually or with StarSense. The built-in sky viewer and extensive object database help you explore, filter, and select targets, while real-time feedback keeps you informed about your mount’s status and position.

For users who integrate multiple astronomy tools, CPWI also operates as an ASCOM-compatible telescope interface, allowing third-party software to connect through a single, reliable control hub. Whether you’re imaging or observing visually, CPWI streamlines setup, improves pointing performance, and unifies your mount control in one modern, easy-to-use package.

CPWI is developed by Celestron LLC. The most popular version of this product among our users is 2.5. The name of the program executable file is CPWI.exe.