Windows 7, 8, 10, or 11 (64-bit is highly recommended for modern versions).
It detects stars automatically and rotates/shifts your images to match perfectly. 5. Troubleshooting Common Issues
Once finished, open DeepSkyStacker to begin loading your Light, Dark, Flat, and Bias frames for processing. DeepSkyStacker 3. Recommended System Requirements Recommended Windows 10 (64-bit) Windows 11 2 GB for install SSD (100 GB+ free for temp files) 1920 x 1080 Higher resolution The Stack of Dreams A piece on the art of alignment
Here is a step-by-step guide on how to safely download and install DeepSkyStacker on your Windows machine. Step 1: Downloading DeepSkyStacker
If you shoot deep-sky objects using a DSLR, Mirrorless, or dedicated CMOS/CCD astrophotography camera, DSS needs to know how to interpret your raw files. Go to > RAW/FITS Digital Camera Settings . deep sky stacker download install
Almost all modern computers use 64-bit. Download the 64-bit version to ensure the software can use all your computer's RAM, which is vital for processing large image files.
The user interface of DeepSkyStacker is designed to be simple and intuitive, guiding you from the top of the menu to the bottom.
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).
Select "Use Auto White Balance" or "Use Camera White Balance" based on your preference. Camera White Balance usually yields more predictable color profiles. 2. Register Settings Windows 7, 8, 10, or 11 (64-bit is
If you have an older 32-bit system or need compatibility with very old hardware, DeepSkyStacker 4.2.6 is a reliable fallback. The 32-bit version has a more limited memory usage (cannot use more than 2 GB of RAM), which may cause it to fail when stacking extremely large images.
The brilliance of DeepSkyStacker lies in its handling of "Calibration Frames." Beyond your standard photos (Light frames), the software asks for: : To remove thermal noise.
Unlike some modern apps, DSS often comes as a compressed folder rather than a standard "Install Wizard."
Getting the software properly set up on your machine is the first step toward creating breathtaking deep-sky images. This comprehensive guide covers everything you need to know about downloading, installing, and configuring DeepSkyStacker for the first time. Step 1: Pre-Installation Checklist Step 1: Downloading DeepSkyStacker If you shoot deep-sky
Look for the .msi or .exe file (usually named something like DeepSkyStacker511.msi ).
DeepSkyStacker is also available for macOS via the GitHub releases page, providing a native installer for both Intel and Apple Silicon Macs.
Note: This guide is based on Deep Sky Stacker v6.1.3 and the developments up to mid-2026. Always check the official GitHub site for the absolute latest releases and documentation.
, the final version for older systems, is required for Windows Vista, Windows 7, or 32-bit versions of Windows. If you are on an older system, you will need this version.