Under the tab, use the "Compute the number of detected stars" button. Aim for a threshold that finds between 50 and 100 stars . If it finds thousands, the stacking will take forever; if it finds five, it will fail. 4. Why Use DeepSkyStacker?
It detects stars automatically and rotates/shifts your images to match perfectly. 5. Troubleshooting Common Issues
Generally, you want the latest 64-bit version (e.g., 5.1.1 or higher). The 64-bit version allows the software to utilize more RAM, which is essential when processing dozens of high-resolution RAW files. 2. Installation Steps
DeepSkyStacker GitHub or the legacy DeepSkyStacker.free.fr .
It makes it incredibly easy to subtract "Dark," "Flat," and "Bias" frames to remove sensor noise and vignetting.
This usually means your star detection threshold is too high. Lower the percentage in the Register settings so DSS can find enough stars to align the images.
It provides professional-level alignment without the price tag of PixInsight.
Once the progress bar hits 100%, you’re ready to launch. 3. Post-Installation: Initial Setup
Look for the .msi or .exe file (usually named something like DeepSkyStacker511.msi ).