Manual page for Siril
Siril is an astronomical image processing free software, see main page for more details.
Reducing green tint in processed images
This video tutorial shows how to remove the green tint in processed images using the graphical user interface. This function can also be accessed from the command line, with the rmgreen command.
<html5media width="750">http://free-astro.vinvin.tf/videos/RemoveGreen.webm</html5media>
Tutorial for a complete processing
An illustrated tutorial has been compiled to describe the usual processing steps, starting from RAW DSLR images to stacking.
- Convert your images in the FITS format Siril uses (image import)
- Work on a sequence of converted images
- Pre-processing images
- Registration (manual image alignment)
- Stacking
Astrometry
Siril provides a few astrometry tools.
In particular, the PSF function that uses the Levenberg–Marquardt algorithm for minimization. See the dedicated page for a video tutorial.