# `fits` – Retrieving FITS file header information in LuaTeX ## Usage Simply write ```TeX \input{fits.tex} ``` anywhere in your document, or ```TeX \usepackage{fits} ``` in the preamble. ## Description The package provides a simple interface to read and access a FITS file header, enabling key-value pairs to be typeset directly in the document. ## Author Copyright 2026-present Valentin Dao This work may be distributed and/or modified under the conditions of The [LaTeX Project Public License v1.3c](https://www.latex-project.org/lppl/lppl-1-3c.pdf) or later. This work has the LPPL status *maintained*. The current maintainer of of this work is Valentin Dao (`vdao.texdev@gmail.com`)