mGetHdr(1) on Linux
The text aa33c912e831, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
Retrieve the header from a FITS image
Flags it lists
-
-d -
-h -
-s