Siril, a free astronomical image processing software

Siril is meant to be Iris for Linux (sirI-L). It is an astronomical image processing tool, able to convert, pre-process images, help aligning them automatically or manually, stack them and enhance final images. In 2017, is also begins to work on Mac OS X and Windows.

One of the next Siril features (0.9.11)

Siril 0.9.10 is, available under all platforms. To download it is here: