Download PHD2

Development snapshots

We recommend running the latest development snapshot build to get the latest bug fixes and enhancements. The development builds are updated more frequently than the general releases below.

Upgrading from an earlier version of PHD2

Just download and run the installer. There is no need to uninstall the older version first. If you do uninstall the older version, you will remove all your profiles and settings.

Note for Gemini/Gemini2 ASCOM users: PHD2 requires Gemini ASCOM Driver Version 1.0.56.0 or newer.

macOS downloads

For macOS 10.14 Mojave and newer, install the 64-bit version of PHD2. For older versions of macOS, install the 32-bit version.

Linux packages

Patrick Chevalley has PHD2 Ubuntu packages hosted on Launchpad. If you are using another Linux distro, you can build PHD2 from source: Building PHD2 on Linux.

v2.6.9

4 July 2020

Updated Help file
Guiding Assistant: improved dec backlash measurement to better handle some poorly behaving mounts
Polar Drift Align: add Mirror option for OAG users
Log uploader: do not display empty logs by default
Fix background color in the Drift Align window to honor the window manager color theme
INDI: remove the obsolete driver port selection option
New Galician translation
Updated French translation
Updated Portuguese translation