Version 0.9.4 is available upstream. Please consider updating! It seems that version 0.9.4 is available upstream, while the latest version in the Gentoo tree is 0.9.2. You think this warning is false? Read more about it here.
The FITSH software package provides a set of independent binary
programs (called Tasks) that are designed for execution from a
UNIX command line shell or shell script. Each of these tasks
performs a specific operation, following the UNIX philosophy of
modular tools that performs a single step related to astronomical
data reduction and image processing.