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Open PHD Guiding – Official Website for PHD2¶

PHD2 is telescope guiding software that simplifies the process of tracking a guide star, letting you concentrate on other aspects of deep-sky imaging or spectroscopy.

Screenshot

For beginning imagers¶

Setup wizard to get guiding started with just a few mouse-clicks
Extensive support for commonly-used equipment
Smart calibration with automatic adjustment for side-of-pier and pointing location
Intelligent default settings for out-of-the-box results
Tools for drift alignment and comet-tracking
Proactive suggestions and advisory messages to improve your guiding

For more experienced imagers¶

Multiple algorithm choices for each telescope axis
Guiding Assistant for measuring mount performance
Extensive visualization tools for fine-tuning and review
Automatic management of dark-frame libraries and bad-pixel maps
Quick and easy switching between multiple imaging configurations
Support for adaptive optics and rotator devices
Automation interfaces for 3rd party imaging apps

Telescope-guiding

Getting started¶

PHD2 comes with a built-in help file, which is an excellent way to get started with PHD2. You can access the help file from the Help menu in PHD2, or you can view or download the manual here: HTML | PDF.

For questions about using the application, general troubleshooting, bug reports, feature requests, and questions about PHD2 development, please post on the Open PHD Guiding Google group.

Please read How to ask for help with PHD2 for tips on how to ask for help with a guiding problem or to report an issue with PHD2.