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How to Download and Install DeepSkyStacker: A Complete Guide
Once installed, the workflow is simple: Load your Light Frames, register them, and stack them. It creates a 32-bit TIFF file that you can then process in Photoshop or GIMP.
When you launch DeepSkyStacker for the first time, you will be greeted by a clean, multi-pane user interface. Before you load your pictures, you must configure the software to handle your specific camera files correctly. 1. Configure RAW/FITS Settings deep sky stacker download install
(calibration files used to remove sensor heat and lens dust).
Installing DeepSkyStacker is a straightforward process, but there are a few system prompts you should look out for. Step 1: Run the Installer How to Download and Install DeepSkyStacker: A Complete
Select "Standard Mode" to create a standard frame size output.
If you have more than 10-15 light frames, change the stacking method to Kappa-Sigma Clipping . This mathematical method effectively removes satellite trails, airplane streaks, and cosmic rays from your final image. Before you load your pictures, you must configure
The source code and compiled installers are hosted at github.com/deepskystacker/DSS . This is the best place to find the latest version. As of early 2026, the current stable version is 6.1.3 , though the team is actively developing 6.2.0 Beta versions (Beta 8 was released in April 2026).
Because DeepSkyStacker is open-source software, Windows SmartScreen might occasionally flags it as unrecognized. Click "More Info" and then select "Run Anyway" to bypass this.
The official homepage for documentation and downloads is deepskystacker.free.fr . However, for the actual installation files, you should visit the official GitHub repository , which houses the latest stable and beta releases.
