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.

v2.6.8

3 May 2020

No longer display an alert when little South movement is detected after calibration
Altair cameras: update to SDK version 46.16909.2020.0404 (Windows)
QHY cameras: fix incorrectly-reported bits-per-pixel value for 16-bit cameras
Better tolerance of INDI/ASCOM mount drivers that incorrectly report guide speed
Updated Traditional Chinese translation

Download v2.6.8
for Windows Download v2.6.8
macOS 64-bit Download v2.6.8
macOS 32-bit