Xephem. Great Astronomy software for Linux. Still works on Ubuntu.

Xephem is a very old UNIX program, that is still able to be installed on a modern Ubuntu 18 desktop. Download all of the packages here into a new folder. http://e2rd.piekielko.pl/debian/binary-amd64/. Then we need to prepare for the installation of the packages. Install these two packages with apt to satisfy dependencies. libmotif-common libxm4libmotif-common libxm4 Then … Read more