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FITSio: FITS (Flexible Image Transport System) utilities

Utilities to read and write files in the FITS (Flexible Image Transport System) format, a standard format in astronomy. Present low-level routines allow: reading, parsing, and modifying FITS headers; reading FITS images (multi-dimensional arrays); reading FITS binary tables; and writing FITS images (multi-dimensional arrays). Higher-level functions allow: reading files composed of one or more headers and a single (perhaps multidimensional) image or single bintable; reading bintables into data frames; generating vectors for image array axes; scaling and writing images as 16-bit integers. Known incompletenesses are reading FITS ASCII table and random group extensions, as well as bit, complex, and array descriptor data types in binary tables.