by Free-astro Team

Astronomical image (pre-)processing program

Siril is an image processing tool specially tailored for noise reduction and improving the signal/noise ratio of an image from multiple captures, as required in astronomy.

Siril can align automatically or manually, stack and enhance pictures from various file formats, even images sequences (movies and SER files).

Changes in version 1.2.0~beta2

3 months ago
Installed Size~111 MB
Download Size39 MB
Available Architecturesaarch64, x86_64
LicenseGNU General Public License v3.0 or later
Project Website

Installs over time

Manual Install

Make sure to follow the setup guide before installing

flatpak install flathub org.free_astro.siril


flatpak run org.free_astro.siril