ginga software package provides Astronomical image viewer, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ginga
ginga is installed in your system.
Make ensure the ginga package were installed using the commands given below,
$ sudo dpkg-query -l | grep ginga *
You will get with ginga package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Science |
| Package | ginga |
| Version | 2.6.0-1 |
| Description | Astronomical image viewer |
| Sub Section | Science |