Bonne's projection
WCSLIB 4.4 - an implementation of the FITS WCS standard. Copyright (C) 1995-2009, Mark Calabretta WCSLIB is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. WCSLIB 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with WCSLIB. If not, see <http://www.gnu.org/licenses/>. Correspondence concerning WCSLIB may be directed to: Internet email: mcalabre@atnf.csiro.au Postal address: Dr. Mark Calabretta Australia Telescope National Facility, CSIRO PO Box 76 Epping NSW 1710 AUSTRALIA