siril ☆
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Description:
Astronomical image processing tool
Type: Formula  |  Latest Version: 1.4.0@2  |  Tracked Since: Oct 29, 2025
Links: Homepage  |  formulae.brew.sh
Category: Other
Tags: astronomy astrophotography image-processing science fits
Install: brew install siril
About:
Siril is a specialized astronomical image processing program designed for post-processing FITS, SER, and other astronomical image sequences. It provides tools for aligning, stacking, and enhancing images to reveal faint deep-sky objects. Its main value is automating complex workflows to produce high-quality results from raw telescope data.
Key Features:
  • Automatic and manual registration of star images
  • Stacking and calibration of image sequences
  • Photometric and astrometric plate solving
  • Background extraction and noise reduction tools
  • Command-line interface for scripting
Use Cases:
  • Processing deep-sky astrophotography data
  • Stacking multiple exposures to reduce noise
  • Calibrating raw images with darks and flats
Alternatives:
  • PixInsight – Commercial software with more advanced tools but higher cost
  • GIMP – General-purpose editor lacking specialized astro workflows
Version History
Detected Version Rev Change Commit
Jan 16, 2026 3:10pm 2 REVISION_ONLY f5fc2ffd
Jan 13, 2026 3:04pm 1 REVISION_ONLY 0f90718c
Jan 5, 2026 2:36pm 0 REVISION_ONLY 7bf057a4
Jan 3, 2026 1:50am 1 REVISION_ONLY 806a6f57
Oct 29, 2025 4:03am 3 VERSION_BUMP 36dec5a1
Sep 18, 2025 10:37am 3 VERSION_BUMP 9f742735
Jan 10, 2025 12:42pm 1 VERSION_BUMP c0517016
Jan 10, 2025 12:35am 1 VERSION_BUMP fafe7e77
Nov 25, 2024 7:29pm 0 VERSION_BUMP 91251f92
Nov 25, 2024 9:41am 0 VERSION_BUMP 4d6bcee4
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