What is it?
   Astro::FITS::CFITSIO is a Perl interface to William Pence's cfitsio
   subroutine library. For more information on cfitsio, see

Where can (did) I get it?

What version of cfitsio does this module require?
  Astro::FITS::CFITSIO version 1.05 requires at least cfitsio v3.006

   For installation instructions, see the 'INSTALL' file in the base
   distribution directory. Essentially, it just tells you to set the
   CFITSIO environment variable, and then do

     $ perl Makefile.PL OPTIMIZE=-O
     $ make
     $ make test
     $ make install

   m51.fits is included as a demonstration by kind permission of the
   IRAF group at the National Optical and Astronomical Observatories,
   in particular Pat Seitzer, who retain ownership.