Imaging software · Windows · macOS · Linux · Open source
Siril
A free, open-source image-processing program for astrophotography that calibrates, registers, and stacks sequences of exposures and then processes the result, with plate solving and scripting built in. It is a capable free alternative for the full path from raw frames to a finished image.
Highlights
- ›Free calibration, stacking, and processing in one tool
At a glance
- Platforms
- Windows, macOS, Linux
- Licence
- Open source
Works with
Knowledge connections
- Associated withImage Stacking
- Associated withAstronomical Image Processing
- Associated withPlate Solving
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.