astro-viewers software package provides Interactive astronomical data viewers, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install astro-viewers
astro-viewers is installed in your system.
Make ensure the astro-viewers package were installed using the commands given below,
$ sudo dpkg-query -l | grep astro-viewers *
You will get with astro-viewers package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Meta packages |
| Package | astro-viewers |
| Version | 0.5 |
| Description | Interactive astronomical data viewers |
| Sub Section | Meta packages |