/usr/share/applications/gcx.desktop is in gcx 1.3-1.1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | [Desktop Entry]
Type=Application
Version=1.0
Name=GCX Astro-Image Processor
GenericName=Image Processor
Comment=Process astronomical images and control CCDs
Icon=gcx
Exec=gcx
Categories=Education;Science;Astronomy;
|