Copyright for stellarium source package in Buster

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Upstream-Name: Stellarium
Upstream-Contact: Fabien Chéreau 
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Copyright: (C) 2002-2014 Fabien Chéreau et al.
License: GPL-2+
 This package 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 2 of the License, or
 (at your option) any later version.
 .
 This package 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, see 
 .
 On Debian systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'
Comment:
 This work was packaged for Debian by:
 .
    Cédric Delfosse  on Thu, 17 Oct 2002 21:21:25 +0200.
 .
 Upstream Authors:
 .
    Fabien Chéreau 
    Matthew Gates 
    Rob Spearman 
    Johannes Gajdosik 
    Johan Meuris 
    Andras Mohari 
    Nigel Kerr
    Mike Storm
 .
 Please see the README file for information about the copyright
 and license of the code and textures included in stellarium.
 Below, you can find a copy of the relevant sections (8, 9 and 10):
 .
    --------------------------------------------------------------------------------
    8. FULL REFERENCES & CREDITS
    --------------------------------------------------------------------------------
    1. Technical Articles
        1.1 The tone reproductor class
            The class mainly performs a fast implementation of the algorithm
            from the paper [1], with more accurate values from [2]. The blue
            shift formula is taken from [3] and combined with the Scotopic
            vision formula from [4].
            [1] "Tone Reproduction for Realistic Images", Tumblin and
                Rushmeier, IEEE Computer Graphics & Application, November
                1993
            [2] "Tone Reproduction and Physically Based Spectral Rendering",
                Devlin, Chalmers, Wilkie and Purgathofer in EUROGRAPHICS
                2002
            [3] "Night Rendering", H. Wann Jensen, S. Premoze, P. Shirley,
                W.B. Thompson, J.A. Ferwerda, M.M. Stark
            [4] "A Visibility Matching Tone Reproduction Operator for High
                Dynamic Range Scenes", G.W. Larson, H. Rushmeier, C. Piatko
        1.2 The skylight class
            The class is a fast implementation of the algorithm from the
            article "A Practical Analytic Model for Daylight" by A. J.
            Preetham, Peter Shirley and Brian Smits.
        1.3 The skybright class
            The class is a fast reimplementation of the VISLIMIT.BAS basic
            source code from Brad Schaefer's article on pages 57-60,  May
            1998 _Sky & Telescope_,    "To the Visual Limits". The basic
            sources are available on the Sky and Telescope web site.
            (code "offered as-is and without support.")
        1.4 The Delta-T calculations
            For implementation of calculation routines for Delta-T we used the following sources:
            [1] Delta-T webpage by Rob van Gent: http://www.staff.science.uu.nl/~gent0113/deltat/deltat.htm
            [2] "Five Millennium Canon of Solar Eclipses", Espenak and Meeus
                http://eclipse.gsfc.nasa.gov/SEhelp/deltatpoly2004.html
            [3] "On the system of astronomical constants", Clemence, G. M.,
                Astronomical Journal, Vol. 53, p. 169
                http://adsabs.harvard.edu/abs/1948AJ.....53..169C
            [4] "The Rotation of the Earth, and the Secular Accelerations of the Sun, Moon and Planets",
                Spencer Jones, Monthly Notices of the Royal Astronomical Society, 99 (1939), 541-558
                http://adsabs.harvard.edu/abs/1939MNRAS..99..541S
            [5] "Polynomial approximations for the correction delta T E.T.-U.T. in the period 1800-1975",
                Schmadel, L. D.; Zech, G., Acta Astronomica, vol. 29, no. 1, 1979, p. 101-104.
                http://adsabs.harvard.edu/abs/1979AcA....29..101S
            [6] "ELP 2000-85 and the dynamic time-universal time relation", Borkowski, K. M.,
                Astronomy and Astrophysics (ISSN 0004-6361), vol. 205, no. 1-2, Oct. 1988, p. L8-L10.
                http://adsabs.harvard.edu/abs/1988A&A...205L...8B
            [7] "Empirical Transformations from U.T. to E.T. for the Period 1800-1988",
                Schmadel, L. D.; Zech, G., Astronomische Nachrichten 309, 219-221
                http://adsabs.harvard.edu/abs/1988AN....309..219S
            [8] "Historical values of the Earth's clock error DeltaT and the calculation of eclipses",
                Morrison, L. V.; Stephenson, F. R., Journal for the History of Astronomy (ISSN 0021-8286),
                Vol. 35, Part 3, No. 120, p. 327 - 336 (2004)
                http://adsabs.harvard.edu/abs/2004JHA....35..327M
            [9] "Addendum: Historical values of the Earth's clock error", Morrison, L. V.; Stephenson, F. R.,
                Journal for the History of Astronomy (ISSN 0021-8286), Vol. 36, Part 3, No. 124, p. 339 (2005)
                http://adsabs.harvard.edu/abs/2005JHA....36..339M
            [10] "Polynomial approximations to Delta T, 1620-2000 AD", Meeus, J.; Simons, L.,
                Journal of the British Astronomical Association, vol.110, no.6, 323
                http://adsabs.harvard.edu/abs/2000JBAA..110..323M
            [11] "Einstein's Theory of Relativity Confirmed by Ancient Solar Eclipses", Henriksson G.,
                http://adsabs.harvard.edu/abs/2009ASPC..409..166H
            [12] "Canon of Solar Eclipses" by Mucke & Meeus (1983)
            [13] "The accelerations of the earth and moon from early astronomical observations",
                 Muller P. M., Stephenson F. R.,
                 http://adsabs.harvard.edu/abs/1975grhe.conf..459M
            [14] "Pre-Telescopic Astronomical Observations", Stephenson F. R.,
                http://adsabs.harvard.edu/abs/1978tfer.conf....5S
            [15] "Long-term changes in the rotation of the earth - 700 B.C. to A.D. 1980",
                 Stephenson F. R., Morrison L. V.,
                 Philosophical Transactions, Series A (ISSN 0080-4614), vol. 313, no. 1524, Nov. 27, 1984, p. 47-70.
                 http://adsabs.harvard.edu/abs/1984RSPTA.313...47S
            [16] "Long-Term Fluctuations in the Earth's Rotation: 700 BC to AD 1990",
                Stephenson F. R., Morrison L. V.,
                Philosophical Transactions: Physical Sciences and Engineering, Volume 351, Issue 1695, pp. 165-202
                http://adsabs.harvard.edu/abs/1995RSPTA.351..165S
            [17] "Historical Eclipses and Earth's Rotation" by F. R. Stephenson (1997)
                http://ebooks.cambridge.org/ebook.jsf?bid=CBO9780511525186
            [18] "Astronomical Algorithms" by J. Meeus (2nd ed., 1998)
            [19] "Astronomy on the Personal Computer" by O. Montenbruck & T. Pfleger (4nd ed., 2000)
            [20] "Calendrical Calculations" by E. M. Reingold & N. Dershowitz (2nd ed., 2001)
            [21] DeltaT webpage by V. Reijs: http://www.iol.ie/~geniet/eng/DeltaTeval.htm
 .
    2. Included source code
        2.1 Some computation of the sideral time (sidereal_time.h/c) and pluto
            orbit contains code from the libnova library (LGPL) by Liam Girdwood.
        2.2 The orbit.cpp/h and solve.h files are directly borrowed from
            Celestia (Chris Laurel). (GPL license)
        2.3 Several implementations of IMCCE theories for planet and satellite
            movement by Johannes Gajdosik (MIT-style license,
            see the corresponding files for the license text)
        2.4 The tesselation algorithms were originally extracted from the glues
            library version 1.4 Mike Gorchak  (SGI FREE SOFTWARE
            LICENSE B).
 .
    3. Data
        3.1 The Hipparcos star catalog
            From ESA (European Space Agency) and the Hipparcos mission.
            ref. ESA, 1997, The Hipparcos and Tycho Catalogues, ESA SP-1200
            http://cdsweb.u-strasbg.fr/ftp/cats/I/239
        3.2 The solar system data mainly comes from IMCCE and partly from
            Celestia.
        3.3 Polynesian constellations are based on diagrams from the Polynesian
            Voyaging Society
        3.4 Chinese constellations are based on diagrams from the Hong Kong
            Space Museum
        3.5 Egyptian constellations are based on the work of Juan Antonio
            Belmonte, Instituto de Astrofisica de Canarias
        3.6 The Tycho-2 Catalogue of the 2.5 Million Brightest Stars
            Hog E., Fabricius C., Makarov V.V., Urban S., Corbin T.,
            Wycoff G., Bastian U., Schwekendiek P., Wicenec A.
            
            http://cdsweb.u-strasbg.fr/ftp/cats/I/259
        3.7 Naval Observatory Merged Astrometric Dataset (NOMAD) version 1
            http://www.nofs.navy.mil/nomad
            Norbert Zacharias writes:
            "There are no fees, both UCAC and NOMAD are freely available
            with the only requirement that the source of the data (U.S.
            Naval Observatory) and original product name need to be provided
            with any distribution, as well as a description about any
            changes made to the data, if at all."
            The changes made to the data are:
            -) try to compute visual magnitude and color from the b,v,r
               values
            -) compute nr_of_measurements = the number of valid b,v,r values
            -) throw away or keep stars (depending on magnitude,
               nr_of_measurements, combination of flags, tycho2 number)
            -) add all stars from hiparcos (incl. component solutions), and
               tycho2+1st supplement
            -) reorganize the stars in several brigthness levels and
               triangular zones according to position and magnitude
            The programs that are used to generate the star files are called
            "MakeCombinedCatalogue", "ParseHip", "ParseNomad", and can be
            found in the util subdirectory in source code. The position,
            magnitudes, and proper motions of the stars coming from NOMAD
            are unchanged, except for a possible loss of precision,
            especially in magnitude. When there is no v-magnitude, it is
            estimated from r or b magnitude.  When there is no b- or v-
            magnitude, the color B-V is estimated from the other magnitudes.
            Also proper motions of faint stars are neglected at all.
        3.8 Stellarium's Catalog of Variable Stars based on General Catalog of Variable
            Stars (GCVS) version 2013Apr.
            http://www.sai.msu.su/gcvs/gcvs/
            Samus N.N., Durlevich O.V., Kazarovets E V., Kireeva N.N., Pastukhova E.N.,
            Zharova A.V., et al., General Catalogue of Variable Stars (Samus+ 2007-2012)
            http://cdsarc.u-strasbg.fr/viz-bin/Cat?cat=B%2Fgcvs&
 .
    4. Graphics
        4.1 All graphics are copyrighted by the Stellarium's Team (GPL) except
            the ones mentioned below :
        4.2 The "earthmap" texture was created by NASA (Reto Stockli, NASA Earth
            Observatory) using data from the MODIS instrument aboard the
            Terra satellite (Public Domain). See chapter 10.1 for full
            credits.
        4.4 Moon texture map was combined from maps by USGS Astrogeology Research Program,
            http://astrogeology.usgs.gov (Public Domain, DFSG-free) and by Lunar
            surface textures from Celestia, based on Clementine data (Public Domain).
        4.5a Saturn map and ring textures created by Björn Jónsson:
            "All the planetary maps available on these pages are publicly
            available. You do not need a special permission to use them but if
            you do then please mention their origin in your work [..]"
        4.5b Jupiter map created by James Hastings-Trew from Cassini data. "The
            maps are free to download and use as source material or resource
            in artwork or rendering (CGI or real time)."
        4.5c The Venus, Amalthea, Proteus, Triton, Iapetus and Phoebe maps and
            rings of Uranus and Neptune are from Celestia
            (http://shatters.net/celestia/) under the
            GNU General Purpose License, version 2 or any later version:
            - Venus is from Björn Jónsson and modified by RVS.
            - Amalthea is a shaded relief map by Phil Stooke, colored by
              Wm. Robert Johnston.
              (http://www.johnstonsarchive.net/spaceart/cylmaps.html),
              and further modified by Jens Meyer and Grant Hutchison.
            - The Proteus map is from Phil Stooke.
            - Triton is probably from David Seal's site (see below),
              modified by Chris Laurel and Grant Hutchison.
            - Iapetus and Phoebe maps are from dr. Fridger Schrempp (t00fri).
        4.5d Mercury map is produced by NASA from Messenger data and modified
            and colored by RVS.
        4.5e Europa, Io and Callisto maps are created by John van Vliet from PDS
            data and modified by RVS. License: cc-by-sa.
        4.5f Ganymede map is from USGS and modified by RVS. Public domain.
        4.5g Tethys, Dione, Rhea, Enceladus and Mimas maps are created by NASA
            (CICLOPS team) from Cassini data, colored by RVS. Public domain.
        4.5h Hyperion map created by John van Vliet from PDS data, modified by
            RVS. License: cc-by-sa.
        4.5 All other planet maps from David Seal's site:
            http://maps.jpl.nasa.gov/   see license in section 10.3
        4.6 The fullsky milky way panorama is created by Axel Mellinger,
            University of Potsdam, Germany. Further information and more
            pictures available from
            http://home.arcor-online.de/axel.mellinger/
            License: permission given to "Modify and redistribute this image
            if proper credit to the original image is given."
        4.7 All messiers nebula pictures except those mentioned below from the
            Grasslands Observatory : "Images courtesy of Tim Hunter and
            James McGaha, Grasslands Observatory at http://www.3towers.com."
            License: permission given to "use the image freely" (including
            right to modify and redistribute) "as long as it is credited."
        4.8 M31, and the Pleiades pictures come from Herm Perez :
            http://home.att.net/~hermperez/default.htm
            License: "Feel free to use these images, if you use them in a
            commercial setting please attribute the source."
        4.9 Images of M8, M33, NGC253, NGC1499, NGC2244, IC343 from
            Jean-Pierre Bousquet
        4.10 Images of M1, M15, M16, M27, M42, M57, M97, NGC6946 from Stephane Dumont
        4.11 Images of M17, M44, NGC856, NGC884 from Maxime Spano
        4.12 Constellation art, GUI buttons, logo created by Johan Meuris
            (Jomejome) (jomejome at users.sourceforge.net)
            http://www.johanmeuris.eu/
            License: released under the Free Art License
            (http://artlibre.org/licence.php/lalgb.html)
            Icon created by Johan Meuris
            License: Creative Commons Attribution-ShareAlike 3.0 Unported
        4.13 The "earth-clouds" texture includes imagery owned by NASA.
            See NASA's Visible Earth project at http://visibleearth.nasa.gov/
            License: 1. The imagery is free of licensing fees
                 2. NASA requires that they be provided a credit as the owners
                    of the imagery
            The cloud texturing was taken from Celestia (GPL),
            http://www.shatters.net/celestia/
        4.14 The folder icon derived from the Tango Desktop Project, used under
            the terms of the Creative Commons Attribution Share-Alike
            license.
        4.15 Images of NGC281, NGC5139, NGC6543, NGC6960, NGC7023, NGC7317, NGC7319,
            NGC7320, IC4601, IC4592
            from Andrey Kuznetsov, Kepler Observatory
            http://kepler-observatorium.ru
            License: Creative Commons Attribution 3.0 Unported
        4.16 Images of NGC891, NGC1333, NGC2903, NGC3185, NGC3187, NGC3189, NGC3190,
            NGC3193, NGC3718, NGC3729, NGC4490, NGC5981, NGC5982, NGC5985, NGC7129
            from Oleg Bryzgalov
            http://olegbr.astroclub.kiev.ua/
            License: Creative Commons Attribution 3.0 Unported
        4.17 Image of eta Carinae
            from Georg Zotti
            http://www.waa.at/
            License: Creative Commons Attribution 3.0 Unported
        4.18 Images of IC1805, IC1848, NGC6888
            from Steve Tuttle
            http://www.stuttle1.com/
        4.19 Images of IC2944, IC4628, M20, M21, M47, NGC2467
            from Trevor Gerdes
            http://sarcasmogerdes.dyndns.org/
        4.20 Images of IC2118, NGC1532
            from users of Ice In Space
            http://www.iceinspace.com.au/
        4.21 Image of IC5146 from James A Weier
        4.22 Images of SMC, LMC (Magellanic Clouds) and rho Oph from Albert Van Donkelaar
        4.23 Images of NGC55, NGC300, NGC1365, NGC3628, NGC4945, NGC5128, NGC6726,
            NGC6744, NGC6752, NGC6822, NGC7293
            from Philip Montgomery
            http://www.kenthurst.bigpondhosting.com/
        4.24 The Vesta map from NASA's Photojournal site:
            http://photojournal.jpl.nasa.gov/   see license in section 10.3
        4.25 Images of NGC7318, NGC7331, M3, M13, M51, M63, M64, M78, M81, M82,
            M101, M105
            from Peter Vasey, Plover Hill Observatory
            http://www.madpc.co.uk/~peterv/
 .
    --------------------------------------------------------------------------------
    9. LICENSE
    --------------------------------------------------------------------------------
       Copyright (C) 2004-2012 Fabien Chereau et al.
 .
       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 2
       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., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 .
       See the COPYING file for more information regarding the GNU General
       Public License.
 .
    --------------------------------------------------------------------------------
    10 APPENDIX :
    --------------------------------------------------------------------------------
    10.1 Full credits for image 4.2 :
        Author: Reto Stockli, NASA Earth Observatory,
            rstockli (at) climate.gsfc.nasa.gov
        Address of correspondance:
            Reto Stockli
            ETH/IAC (NFS Klima) & NASA/GSFC Code 913 (SSAI)
            University Irchel
            Building 25 Room J53
            Winterthurerstrasse 190
            8057 Zurich, Switzerland
        Phone:  +41 (0)1 635 5209
        Fax:    +41 (0)1 362 5197
        Email:  rstockli (at) climate.gsfc.nasa.gov
        http://earthobservatory.nasa.gov
        http://www.iac.ethz.ch/staff/stockli
        Supervisors:
            Fritz Hasler and David Herring, NASA/Goddard Space Flight Center
        Funding:
            This project was realized under the SSAI subcontract 2101-01-027
            (NAS5-01070)
 .
        License :
            "Any and all materials published on the Earth Observatory are
            freely available for re-publication or re-use, except where
            copyright is indicated."
 .
    10.2 License for the JPL planets images
    (http://www.jpl.nasa.gov/images/policy/index.cfm)
        ---
        Unless otherwise noted, images and video on JPL public web sites (public
        sites ending with a jpl.nasa.gov address) may be used for any purpose
        without prior permission, subject to the special cases noted below.
        Publishers who wish to have authorization may print this page and retain
        it for their records; JPL does not issue image permissions on an image
        by image basis.  By electing to download the material from this web site
        the user agrees:
        1. that Caltech makes no representations or warranties with respect to
           ownership of copyrights in the images, and does not represent others
           who may claim to be authors or owners of copyright of any of the
           images, and makes no warranties as to the quality of the images.
           Caltech shall not be responsible for any loss or expenses resulting
           from the use of the images, and you release and hold Caltech harmless
           from all liability arising from such use.
        2. to use a credit line in connection with images. Unless otherwise
           noted in the caption information for an image, the credit line should
           be "Courtesy NASA/JPL-Caltech."
        3. that the endorsement of any product or service by Caltech, JPL or
           NASA must not be claimed or implied.
        Special Cases:
        * Prior written approval must be obtained to use the NASA insignia logo
          (the blue "meatball" insignia), the NASA logotype (the red "worm"
          logo) and the NASA seal. These images may not be used by persons who
          are not NASA employees or on products (including Web pages) that are
          not NASA sponsored. In addition, no image may be used to explicitly
          or implicitly suggest endorsement by NASA, JPL or Caltech of
          commercial goods or services. Requests to use NASA logos may be
          directed to Bert Ulrich, Public Services Division, NASA Headquarters,
          Code POS, Washington, DC 20546, telephone (202) 358-1713, fax (202)
          358-4331, email bert.ulrich@hq.nasa.gov.
        * Prior written approval must be obtained to use the JPL logo (stylized
          JPL letters in red or other colors). Requests to use the JPL logo may
          be directed to the Television/Imaging Team Leader, Media Relations
          Office, Mail Stop 186-120, Jet Propulsion Laboratory, Pasadena CA
          91109, telephone (818) 354-5011, fax (818) 354-4537.
        * If an image includes an identifiable person, using the image for
          commercial purposes may infringe that person's right of privacy or
          publicity, and permission should be obtained from the person. NASA
          and JPL generally do not permit likenesses of current employees to
          appear on commercial products. For more information, consult the NASA
          and JPL points of contact listed above.
        * JPL/Caltech contractors and vendors who wish to use JPL images in
          advertising or public relation materials should direct requests to the
          Television/Imaging Team Leader, Media Relations Office, Mail Stop
          186-120, Jet Propulsion Laboratory, Pasadena CA 91109, telephone
          (818) 354-5011, fax (818) 354-4537.
        * Some image and video materials on JPL public web sites are owned by
          organizations other than JPL or NASA. These owners have agreed to
          make their images and video available for journalistic, educational
          and personal uses, but restrictions are placed on commercial uses.
          To obtain permission for commercial use, contact the copyright owner
          listed in each image caption.  Ownership of images and video by
          parties other than JPL and NASA is noted in the caption material
          with each image.
        ---