Hello,I use a PI4 with Stellarmate, an AZEQ6 mount, a QHY294M camera for imaging, a QHYFW3 filter wheel connected directly to the camera, a QHY5III178C camera for guiding, a focuser all controlled on VNC with PC DELL on Windows 10. I control the mount, the focuser, the GPSD and the QHY294M camera directly from Kstars which runs on the Stellarmate and the PI4. So I use EKOS and INDI drivers.For the guidance, I had problems with the internal guidance of EKOS. I use PHD2 which runs on the PI4 and is called by EKOS as external guider. Finally, for the PolarMaster camera that was conflicting with EKOS, I finally run the software directly from Windows 10.
 I guide with a QHY5III178C camera. When I prepare my setup in EKOS, if I put two QHYCCD cameras, it recognizes the QHY294M and the QHY5III178C. But when I launch PHD2, it sees the QHY5III178C but crashes after the 1st capture... I never get my hand back if I ask for a stop and I have to kill the PHD2 process in progress. If I do all the same but I don't declare the QHY5III178C in EKOS or I explicitly disconnect it from INDI, then PHD2 recognizes it and drives it correctly. But in this case, I don't have to connect the QHY5III178C when I connect EKOS, because it looks for the first available camera and it finds the QHY5III178C first and never offers the QHY294M again. So, the only way is to put both in EKOS and then disconnect the QHY5III178C manually from INDI before launching PHD2 or not to connect the USB cable of the QHY5III178C, launch EKOS with only the QHY294M and then once EKOS is not looking for a camera, connect the QHY5III178C and launch PHD2.
 Obviously, it works by tinkering like that, but it reminds me of my beginnings in computing at the end of the 70's... If it works, touch it more! We are far from plug-and-play ;-). Than

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