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greater) and GSD modules. These modules are installed as part of the
PERLMODS package in the Starlink Software Collection.

To work with AST FrameSet objects the Starlink::AST module is required,
this module (should) be available from CPAN or by contacting the authors
of this package.

For more information on the Starlink Software Collection and the Starlink
Project in general see https://www.starlink.ac.uk/

Provides
--------
The package provides the following classes

   Astro::FITS::Header
   Astro::FITS::Header::Item
   Astro::FITS::Header::NDF
   Astro::FITS::Header::CFITSIO
   Astro::FITS::Header::GSD
   Astro::FITS::Header::AST

which all include POD format documentation.

Where can I get it?
-------------------
The package is available from CPAN <https://www.cpan.org/>

Installation
------------
Installation is automated using the ExtUtils::MakeMaker library

     % perl Build.PL
     % ./Build
     % ./Build test
     % ./Build install

If the Astro::FITS::CFITSIO, NDF or Starlink::AST modules are not
installed 'make test' will detect this and skip the test harness
for the relevant modules with a warning.

Note on Versioning
---------------

Due to misunderstandings on the CPAN versioning scheme all modules in this
release have jumped to version >= 3.0 to force reindexing. Patch numbers are
no longer included in the distribution.

Authors
-------
The module was originally written by Alasdair Allan <aa@astro.ex.ac.uk>, of
the University of Exeter Astrophysics Group (http://www.astro.ex.ac.uk/) as
part of his work for the Starlink Project (http://www.starlink.ac.uk/), and
Tim Jenness <timj@jach.hawaii.edu> of the Joint Astronomy Center (JAC)
(http://www.jach.hawaii.edu/) in Hawaii.

This version of the module includes patches supplied by Diab Jerius
<dj@head-cfa.harvard.edu>, of the Harvard-Smithsonian Center for Astrophysics,
and by Jim Lewis <jrl@ast.cam.ac.uk>, of the Cambridge Astronomy Survey Unit
at the Institute of Astronomy, to allow access to Multi-Extension FITS files.

The tied interface was updated for version 2.x by Craig DeForest
<deforest@boulder.swri.edu> of the Department of Space Studies, Southwest
Research Institute and Tim Jenness <timj@jach.hawaii.edu> of the Joint
Astronomy Center (JAC) in Hawaii. Patches to fix some bugs in the tied
interface when dealing with blank cards were supplied by Brad Cavangh
<bradc@jach.hawaii.edu> of the Joint Astronomy Center (JAC) in Hawaii.

Modifications to parse ESO HIERARCH keywords, read-only, were added by
Malcolm Currie <mjc@star.rl.ac.uk> of the Rutherford Appleton Laboratory.

Maintainer
----------
The package is currently maintained by Tim Jenness <tjenness@cpan.org>.
Please use CPAN RT for bug reports and github pull requests for patches.
The source code repository is at

  https://github.com/timj/perl-Astro-FITS-Header.git

License
-------
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful,but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place,Suite 330, Boston, MA  02111-1307, USA