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FITS Format
FITS Support provided by the CFITSIO Library.
Copyright (Unpublished-all rights reserved under the copyright laws of the United States), U.S. Government as represented by the Administrator of the National Aeronautics and Space Administration.
TIFF Format
TIFF support provided by the LIBTIFF Library.
Copyright © 1988-1997 Sam Leffler.
Copyright © 1991-1997 Silicon Graphics, Inc.
JPEG Format
JPEG support provided by the Independent JPEG Group's JPEG software.
This software is based in part on the work of the Independent JPEG Group.
ZLIB Compression
Some compression/decompression functionality has been provided by the ZLIB Library.
Copyright © 1995-2004 Jean-loup Gailly and Mark Adler.
Digitized POSS Images Used in the Documentation
The NGC6992 image used in some pages of this documentation requires inclusion of the following copyright information.
Copyright notice for the green (visual) channel image:
Copyright (c) 1995, AURA; subject to all records in the header file.
The compressed files of the Space Telescope Science Institute Quick-Survey of the northern sky are based on scans of plates obtained by the Palomar Observatory using the Oschin Schmidt Telescope.
All material is copyright (c) 1995 by the Association of Universities for Research in Astronomy, Inc. All Rights Reserved.
Copyright notice for the red and blue channels:
Copyright (c) 1992-2000, Caltech and AURA; subject to all records in the header file.
The compressed files of the "Palomar Observatory - Space Telescope Science Institute Digital Sky Survey" of the northern sky, based on scans of the Second Palomar Sky Survey are copyright (c) 1993-2000 by the California Institute of Technology and are distributed herein by agreement. All Rights Reserved.
All material not subject to the above copyright provision is copyright (c) 2000 by the Association of Universities for Research in Astronomy, Inc. All Rights Reserved.
Produced under Contract No. NAS5-2555 with the National Aeronautics and Space Administration.
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