Hi Tony
I don`t know if you have tried Astro Photo Tool (APT) which was primarily meant for dslr`s but now has ccd option. I have it running twice on screen to show 1- my Atik 314 with the Alpy and 2- My Lodestar with the guide module. Apt has a Histogram option with the Lodestar live view and can stretch the intensity to show the slit under fairly dark conditions and can auto lock the intensity so the slit is always visible. It also has a `single pixel` intensity option so you can tell if over exposed or not. I`m currently having luck with the French control software `Audela` too!
Steve