This directory tree contains collections of FITS files which test
various features of the FITS data format:
ftt4b
-- FITS Test Tape 4b, a collection of FITS files produced in the early
80s in order to test FITS readers and demonstrate the versatility of
FITS as a format.
headers
-- A collection of 'FITS' files produced by Barry Schlesinger which
test various syntactic errors of headers.
incunabula
-- A collection of the oldest FITS files known, including a copy of
the first FITS file which passed in interchange between two
observatories.
pg93
-- A collection of test files produced by Preben Grosbol in order to
test FITS readers for implementation of support for the full set of
IEEE cases (infinities, NaNs, etc) and to test support for the
proposed BINTABLE and IMAGE extensions.