psfex

v 3.24.2 Updated: 10 months, 3 weeks ago

tool to extract the point spread function from astronomical images

PSFEx (“PSF Extractor”) extracts models of the Point Spread Function (PSF) from FITS images processed with SExtractor, and measures the quality of images. The generated PSF models can be used for model-fitting photometry or morphological analyses.

http://www.astromatic.net/software/psfex/

To install psfex, paste this in macOS terminal after installing MacPorts

sudo port install psfex

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