/usr/share/doc/wcstools/examples/saoucac1 is in wcstools 3.9.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
saoimage -reg `imucac1 -n 1000 -r 10 $1` -wcscom sucac1_-ha_%s $*