fitsverify software package provides FITS File Format-Verification Tool, 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 fitsverify
fitsverify is installed in your system.
Make ensure the fitsverify package were installed using the commands given below,
$ sudo dpkg-query -l | grep fitsverify *
You will get with fitsverify package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Science |
| Package | fitsverify |
| Version | 4.18-1+b1 |
| Description | FITS File Format-Verification Tool |
| Sub Section | Science |