Version 0.16 has been released. Available from http://www.lsw.uni-heidelberg.de/~rwichman/Nightfall.html or directly as http://www.lsw.uni-heidelberg.de/~rwichman/nightfall/nightfall-0.16.tar.gz Changes: Fixed some nasty bugs, added a printer dialog for hardcopies, and modified the 'configure' script (should find the Debian pgplot packet now (?)).