FITS Format (FIT)

FITS, the Flexible Image Transport System, is the standard astron data format endorsed by NASA and the IAU. It is a raster format designed to store scientific data sets, which consist of multi-dimensional arrays and 2-dimensional tables. The FITS format was developed by NASA and is supported by XnView and fv Desktop Manager. The default extensions used by this format are: FIT, FTS and FITS.

The file format supports multi-page files.