Choose a permanent directory on your computer, such as C:\DeepSkyStacker .
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.
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.
Astrophotography allows you to capture the breathtaking beauty of galaxies, nebulae, and star clusters. However, the raw images coming straight out of your camera are often noisy, faint, and filled with digital artifacts. To reveal the hidden details of the cosmos, you need to stack multiple exposures. deep sky stacker download install
If you’ve ever tried to take a photo of the Orion Nebula or the Andromeda Galaxy, you know that a single exposure rarely looks like the masterpieces you see online. To get those crisp, noise-free images, you need to "stack" multiple shots.
DeepSkyStacker is a freeware for astrophotographers that simplifies all the pre-processing steps of deep sky pictures. DeepSkyStacker DeepSkyStacker Download DeepSkyStacker is a freeware. DeepSkyStacker Deep Sky Stack - ZWO Seestar
Troubleshooting Tip: If the program crashes immediately or fails to launch, download the updated Microsoft Visual C++ Redistributable package, select , and restart your computer. On macOS (Ventura 13.4 and Newer) Choose a permanent directory on your computer, such
Before installing Deep Sky Stacker, ensure your computer meets the minimum system requirements:
You will see three checkboxes:
This comprehensive guide will walk you through the entire process of safely downloading, installing, and configuring DeepSkyStacker so you can start processing your space images like a pro. Why Choose DeepSkyStacker? Note: This guide is based on Deep Sky Stacker v6
He ran the setup. User Account Control popped up: “Do you want to allow this app to make changes?”
Once the download is complete, right-click the folder and select "Extract All."
This guide will walk you through the entire process—from finding the to configuring it for your first successful stack. What is DeepSkyStacker?