montage ☆

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Description:
Toolkit for assembling FITS images into custom mosaics

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Other

Tags: astronomy fits mosaicking scientific-computing image-processing

Install: brew install montage

About:
Montage is a specialized toolkit designed for assembling astronomical FITS images into custom mosaics and reprojecting them to common spatial grids. It provides precise astrometric re-projection and background matching to ensure seamless integration of data from different telescopes. This tool is essential for creating large-scale, uniform images of the sky for scientific analysis.

Key Features:

Astrometric re-projection of FITS images
Background matching and illumination correction
Mosaic creation and co-addition
Virtual observatory compliant output

Use Cases:

Creating wide-field mosaics from multiple astronomical survey images
Re-projecting images to a common coordinate system for analysis
Generating color composite images from different filters

Alternatives:

Swarp – Swarp is primarily focused on image resampling and co-addition for large surveys, whereas Montage offers more granular control over astrometric re-projection and background correction.
IRAF – IRAF is a general-purpose astronomical data reduction suite, while Montage is a specialized toolkit specifically optimized for mosaicking and re-projecting large image datasets.

Version History

Detected	Version	Rev	Change	Commit
Sep 16, 2025 12:09am		1	VERSION_BUMP	10d55450
Sep 14, 2024 8:33am		1	VERSION_BUMP	b54210f9