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 then 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 Download v2.6.9
for Windows
Download v2.6.9
macOS 64-bit
Download v2.6.9
macOS 32-bit

Older Builds

v2.6.8
    [Windows Download EXE]     [macOS Download ZIP]     [macOS 32-bit Download ZIP]
v2.6.7
    [Windows Download EXE]     [macOS Download ZIP]     [macOS 32-bit Download ZIP]
v2.6.6
    [Windows Download EXE]     [macOS Download ZIP]     [macOS 32-bit Download ZIP]
v2.6.5
    [Windows Download EXE]     [macOS Download ZIP]     [macOS 32-bit Download ZIP]
v2.6.4
    [Windows Download EXE]     [macOS Download ZIP]     [macOS 32-bit Download ZIP]
v2.6.3
    [Windows Download EXE]     [macOS Download ZIP]     [macOS 32-bit Download ZIP]

News & Resources

February 4, 2020 - PHD2 v2.6.9 Released

December 21, 2019 - PHD2 Best Practices

December 7, 2019 - macOS Catalina

April 26, 2018 - Polar Alignment tool video tutorials

June 12, 2016 - PHD2_Broker package available