/usr/share/doc/libqfits-dev/changelog.Debian.gz is in libqfits-dev 6.2.0-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libqfits-dev/../libqfits0/changelog.Debian.gz
/usr/share/doc/libqfits-dev/../libqfits0/changelog.Debian.gz