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. First, my new TS 130mm telescope requires me to do flats every session. So I use the Calibrate function on EKOS on the SM. Everything works. I analyze my flats by looking at the statistics in the FITS window. When after looking at the statistics, I switch to FITS in histogram mode, Kstars crashes. I have to restart Kstars and EKOS. The QHY294M camera is no longer functional. I have to unplug the USB port of the camera, restart Kstar, EKOS, reset the driver of the camera and re-set all the information of the QHY294M camera (name of the light files, gain, offset, filter, etc.) in EKOS. Not normal, isn't it? Thanks for your help.

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