Siril

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Siril is an astronomical image processing tool, able to convert, pre-process images, help aligning them automatically or manually, stack them and enhance final images.

Siril screenshot 1

Cost / License

Free
Open Source (GPL-3.0)

Platforms

Mac
Windows
Linux
Flathub
Flatpak

Siril screenshot 1

Siril screenshot 2

Siril alternatives

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Features

Image stacking
Noise Reduction
Remove Noise

Tags

Highlights All activities

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Recent activities

Vitali Bibikov added Siril as alternative to Star Trail Stacker
15 days ago
majmichu1 added Siril as alternative to Astraios
about 2 months ago

Siril information

Developed by
Unknown
Licensing
Open Source (GPL-3.0) and Free product.
Alternatives
11 alternatives listed
Badge
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Supported Languages
- English

Popular alternatives

Siril was added to AlternativeTo by Millicent Billette on Jul 25, 2018 and this page was last updated Sep 16, 2024.

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AppStores & Other Links

Install from the command line

winget install -e --id Free-Astro.Siril
brew install siril
flatpak install flathub org.siril.Siril

Be careful what you paste into a terminal. Check what a command installs before running it.

What is Siril?

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).