No comments on this? On Viernes 10 Diciembre 2010 13:08:58 Noel David Torres Taño escribió: > Hello all: > > I'm in the process of packaging kstars-data-extra-tycho2 ( > http://mentors.debian.net/cgi-bin/sponsor- > pkglist?action=details;package=kstars-data-extra-tycho2 ) and after long > and detailed conversationw with original developer Mr. Akarsh Simha from > KStars team, the point is as follows: > > KStars distributes a file named deepstars.dat from its web. It is not part > of the normal bundled KStars we have in Debian. > > deepstars.dat is GPL as it is stated in > http://edu.kde.org/kstars/downloads/knewstuff.xml and confirmed by Mr. > Simha. > > The data KStars team used was downloaded from now-offline NASA ADC, whose > use policy can be seen today at > http://web.archive.org/web/20070303235508/http://adc.astro.umd.edu/adc/ques > tions_feedback.html#policies1 > > It mentions that data is in the Public Domain unless specified in the > ReadMe file. The ReadMe can be visited today in > http://web.archive.org/web/20060908122029/adc.astro.umd.edu/cgi- > bin/adc/cat.pl?/catalogs/1/1259/ and seems to be the same than actually- > available ReadMe at CDS: http://cdsarc.u-strasbg.fr/cgi-bin/myqcat3?I/259/ > > So, trusting all that, deepstars.dat is a GPL file based on PD data. > > Doubt arises from the fact that Tycho-2 data was announced by Mr. Erik Høg > et al in 2000 at Astronomy and Astrophysics (paper can be retrieved at > http://www.astro.ku.dk/~erik/Tycho-2/letter.pdf) and published on 8 Feb. > 2000 but its Guide (available at > http://www.astro.ku.dk/~erik/Tycho-2/guide.pdf ) does not mention anything > about licensing, and data available at CDS does not do it, neither. Mr. > Høg has not answered me when I contacted him. > > Moreover, data of the Tycho-2 catalog comes from observations by the > Hipparcos mission of ESA, and we have no License statement from ESA, > anyway. > > As the package is to be sponsored and about to enter Debian, I would like > clarification about this all, since we (Mr. Simha and myself) want to have > this as clear as possible to avoid damages to both projects (Debian and > KStars). > > As a last resort, it would be possible to create a new deepstars.dat using > only USNO NOMAD data (we have confidence that it is PD). It could be > functionally equivalent for the program, but it will not be the Tycho2 > catalog as users could expect. > > many thanks > > Noel > kstars-data-extra-tycho2 (prospective) maintainer > > P.S. Please maintain CC to Mr. Simha
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