I too would like to run a dual imaging rig with KStars/Ekos/INDI. I currently have a single rig with RPi 3 running the rig with INDI drivers and indiserver and run KStars/Ekos on my indoor desktop under Linux Mint. I can run multiple copies of KStars.

Would I need to use two RPi systems or would it be possible to use just one controlling both cameras and focusers? The problem would seem to be distinguishing between cameras and focusers. There is just one mount control as both rigs are on the same mount.

I guess the simplest way would be with two RPi control boxes with one running the mount.

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