I am trying to automate taking flats with my flat panel, which is driven from Onstep PWM outputs, and have the following script which I am trying to call as part of flat taking:

I have the path to this script entered in the Script field of the Capture screen.
Capture completes successfully, but then I see "Executing Post Capture script ..." and after that all is stuck.

Not sure if this affect anything but #!/bin/bash

last line should be
This command works fine when you run it directly from console?