Format: Upstream-Name: Source: Files: debian/* Copyright: 2015 Ole Streicher 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 version 2 can be found in "/usr/share/common-licenses/GPL-2". Comment: This package is in contrib, since it downloads data from the internet on install. The data themself are GPL-2+, as documented at URL The creation of the files is documented in the source directory. However, 2MASS source files and the created packages are too large to be directly included in Debian main. The 2MASS source catalog itself is public domain: . Date: Mon, 26 Oct 2015 10:23:20 -0700 Subject: Re: 2MASS copyright/Licensing From: To: "Ole Streicher" . Dear Ole, . Thank you for your inquiry about use of the 2MASS data products. . It is the case that all 2MASS image, catalog and database products are released in the public domain. We state this explicitly on many of the image galleries (e.g., but you are correct that it isn't actually stated for the catalogs. . We do ask that when any 2MASS image or catalog products are used that the acknowledgement given in section I.8.b be included (see . "This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation." . Sincerely, The 2MASS Helpdesk