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The actual contents of the file can be viewed below.

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This file lists some of the code we've imported from elsewhere.

First, the obvious ones:

-cfitsio/
  CFITSIO v3.060
  see cfitsio/License.txt for details; includes GPL code.

-gsl-an/
  GSL (the GNU Scientific Library) v1.11
  Licensed under the GPL, of course.

-qfits-an/
  QFITS library v6.2, licensed under the GPL.

-pyfits/pyfits.py
  License: http://www.stsci.edu/resources/software_hardware/pyraf/LICENSE

Now, some miscellaneous files:

-quads/qsort_reentrant.{c,h}
  Yoinked from FreeBSD.  Distributed under the BSD license, big surprise.

-util/bt.c
  AVL code was yoinked from GNU libavl which is under the GPL.

-util/cutest.{c,h} and util/make-tests.sh
  Imported from cutest-1.4.  Patches sent upstream 24-01-2008.
  http://cutest.sourceforge.net/
  zlib/libpng license.

-blind/{tablist,modhead,fitscopy,tabmerge,fitstomatlab,liststruc,listhead,
        imcopy,imarith,imstat}.c
  From the CFITSIO utilities web page.
  http://heasarc.gsfc.nasa.gov/docs/software/fitsio/cexamples.html
  "You may freely modify, reuse, and redistribute these programs as you wish."
  (fitstomatlab.c is just a modified version of tablist.c)

-tilecache/web/map.js includes code borrowed from wms236.js by John Deck,
  UC Berkeley.

-tilecache/web/map.js includes code borrowed from:
  http://www.scottandrew.com/weblog/jsjunk#inpoly
  Copyright 2001 scott andrew lepera

-quads/pnpoly.c
  From http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html

Data files:

-quads/ngc2000{,names}.dat
  Imported from ftp://cdsarc.u-strasbg.fr/cats/VII/118/
  NGC 2000.0, The Complete New General Catalogue and Index Catalogue
    of Nebulae and Star Clusters by J.L.E. Dreyer
    Sinnott, R.W. (edited by)
    Sky Publishing Corporation and Cambridge University Press (1988)

  Copyright Notice:
    This catalog is copyrighted by Sky Publishing Corporation, which has
    kindly deposited the machine version in the data centers for permanent
    archiving and dissemination to astronomers for scientific research
    purposes only. The data should not be used for commercial purposes
    without the explicit permission of Sky Publishing Corporation.

-quads/{ic,ngc}2000_pos.txt
  Imported from http://www.ngcic.org/corwin/default.htm
  Dr. Harold G. Corwin Jr (hgcjr@ipac.caltech.edu)