What camera did you use when you experienced the crash?
If your cam has pixels more than 24M, your problem may be the same as that I encoutered:

www.indilib.org/forum/ekos/3891-kstars-o...-large-fit-file.html

To avoid the crash, I set the resolution setting in the capture module of Ekos smaller, while setting the image-saving option in the INDI control panel as SD card. If you use a DSLR, this work-around would avoid the crash.

Koichi

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