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This extension adds .fits file compatibility to Nemo.

.fits are the default image format used for astronomical imaging. It is an open spec that was originally created by Nasa - https://heasarc.gsfc.nasa.gov/docs/heasarc/fits_overview.html

The extension uses the cfitsio which is standard within Debian.
A thumbnailer is provided along with Image information extracted from the .fits header.

Full disclosure - Having very little experience with GTK I used claude.ai to author this extension. I've tried to force it into following the style and standards of the rest of the extensions in the repository. I have black-box tested only. I haven't found any stability or performance issues. fits file compatibility seems to be good but this is almost guaranteed as AFAIK all astronomical image writing applications also use the standard cfitsio library.

I've left off any copyright info, I'm happy for you to do as you see fit (pun intended).

@LuckyEddie47 LuckyEddie47 changed the title Fits extension WIP - Fits extension Dec 29, 2025
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Just made WIP as I've discovered something missing in the build config. Investigating now.

@LuckyEddie47 LuckyEddie47 marked this pull request as draft December 29, 2025 15:04
@mtwebster mtwebster changed the title WIP - Fits extension [WIP] Fits extension Dec 29, 2025
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