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0001 This file lists the various sources from which data in KStars has been
0002 obtained.
0003 
0004 Sky Cultures:
0005 =============
0006 
0007 Data for non-western sky cultures was obtained from Stellarium
0008 (http://www.stellarium.org) and incorporated into KStars by Jrme
0009 Sonrier. Stellarium is licensed under the GNU General Public License
0010 v2 (or above), and is thus compatible with KStars. The following are
0011 the original sources for the sky culture data:
0012 
0013 Chinese sky culture was contributed by Karrie Berglund of Digitalis
0014 Education Solutions, Inc. based on Hong Kong Space Museum star maps
0015 (http://www.lcsd.gov.hk/CE/Museum/Space/StarShine/HKSkyMap/e_starshine_hkskymap.htm).
0016 
0017 Egyptian sky culture was contributed by Karrie Berglund of Digitalis
0018 Education Solutions, Inc. based on the paper "A Map of the Ancient
0019 Egyptian Firmament" by Juan Antonio Belmonte.
0020 
0021 Inuit sky culture was contributed by Karrie Berglund of Digitalis
0022 Education Solutions, Inc. based primarily on the book "The Arctic Sky:
0023 Inuit Astronomy, Star Lore and Legend" by John MacDonald.
0024 
0025 Korean sky culture was contributed by Stellarium user : Jeong, Tae-Min
0026 (http://user.chollian.net/~jtm71/)
0027 
0028 Lakota sky culture was contributed by Karrie Berglund of Digitalis
0029 Education Solutions, Inc. based primarily on the book "Lakota Star
0030 Knowledge: Studies in Lakota Stellar Theology" by Ronald Goodman.
0031 
0032 Maori sky culture was contributed by Stellarium user : Dan Smale
0033 <d.smale(at)niwa.co.nz>
0034 
0035 Navajo sky culture was contributed by Karrie Berglund of Digitalis
0036 Education Solutions, Inc. based primarily on the book "Star
0037 Trails-Navajo" by Don Childrey.
0038 
0039 Norse sky culture was contributed by Stellarium user : Jonas Persson,
0040 <jonas.persson(at)mna.hkr.se>
0041 
0042 Polynesian sky culture was contributed by Karrie Berglund of Digitalis
0043 Education Solutions, Inc. based primarily on "Polynesian Voyaging
0044 Society information"
0045 (http://honolulu.hawaii.edu/hawaiian/voyaging/pvs/navigate/stars.html)
0046 
0047 Tupi sky culture was contributed by Stellarium user : Paulo Marcelo
0048 Pontes.
0049 
0050 Tongan sky culture was contributed by Stellarium user : Dan Smale
0051 <d.smale(at)niwa.co.nz>
0052 
0053 
0054 Tycho-2 Catalog
0055 ===============
0056 
0057 The Tycho-2 Catalog is by Erik Hg et al. The copy of Tycho-2 used in
0058 KStars was downloaded from the Astronomical Data Center, which was
0059 hosted on http://adc.astro.umd.edu
0060 
0061 The service is currently inaccessible, but at the time of download,
0062 the content was licensed in the public domain:
0063 http://adc.astro.umd.edu/adc/questions_feedback.html#policies1%22
0064 said:
0065 
0066 "All ADC data are public domain unless otherwise stated in the
0067 "ReadMe" file. The data are for scientific use only and have no
0068 commercial value."
0069 
0070 The internet archive "WayBackMachine" still has the old page archived
0071 and here is a link to the archived page on WayBackMachine showing the
0072 public domain policy:
0073 http://web.archive.org/web/20060908091808/http://adc.astro.umd.edu/adc/questions_feedback.html#policies1%22
0074 
0075 
0076 USNO NOMAD Catalog
0077 ==================
0078 
0079 The USNO NOMAD catalog was compiled by the US Naval Observatory, and
0080 access to the catalog is (as of April 1, 2012) available through the
0081 USNO website -- http://www.nofs.navy.mil/nomad/
0082 
0083 The "Privacy and Security Notice" on USNO's website
0084 (http://ad.usno.navy.mil/privacy.shtml) reads:
0085 
0086 "All information presented on these pages is considered public domain
0087 and may be distributed or copied unless otherwise specified. Use of
0088 appropriate byline/photo/image credits is requested."
0089 
0090 There is no explicit indication to the contrary on the NOMAD page.
0091 
0092 NOMAD was obtained for use in KStars by Jason Harris, by contacting
0093 Norbert Zacharias, who is designated as a contact point for questions
0094 about the NOMAD catalog on the USNO website.
0095 
0096 
0097 SAC Catalog
0098 ===========
0099 
0100 Part of our NGC/IC data is obtained from the Saguaro Astronomy Club
0101 catalog, compiled by Steve Coe.
0102 
0103 While the website seemed to indicate that the catalog is only
0104 available for non-commercial use (and hence incompatible with KStars),
0105 Akarsh Simha received a correspondence with Steve Coe, who is the
0106 Copyright holder of the catalog.
0107 
0108 Here are the relevant sections of the email exchange:
0109 
0110 ----------
0111 
0112 From: Steve Coe <stevecoe@cloudynights.com>
0113 To: Akarsh Simha <akarshsimha@gmail.com>
0114 Date: 18th Dec 2008
0115 
0116 Snippet:
0117 
0118 
0119 Akarsh;
0120 
0121 I have no problem with you using the SAC data for the Kstars program.
0122 It was released with the rules that it is not sold as a seperate item.
0123 
0124 -----------
0125 
0126 From: Akarsh Simha <akarshsimha@gmail.com>
0127 To: Steve Coe <stevecoe@cloudynights.com>
0128 Date: 5th May 2009
0129 
0130 Snippet:
0131 
0132 To start with, I have tried merging NGC and IC data from SAC into our
0133 database, and I've attached a copy of the stuff I intend to ship with
0134 KStars. I wiill release this in the next version of KStars if I have
0135 the permission to redistribute it under GPL. I would like to expand
0136 the dataset to include most of the data in the SAC database in the
0137 near future.
0138 
0139 -----------
0140 
0141 From: Steve Coe <stevecoe@cloudynights.com>
0142 To: Akarsh Simha <akarshsimha@gmail.com>
0143 Date: 5th May 2009
0144 
0145 Akarsh;
0146 
0147 Seeing as how the SAC data is available in both Sky Map Pro and Guide,
0148 which are "for sale" planetarium programs, I can see no problem with
0149 allowing you to include it in KStars.  I hope your project goes well.
0150 
0151 Take Care;
0152 
0153 Steve Coe
0154