cgmiller wrote: I have added my 2 preview files to Dropbox so you can see them as well.

www.dropbox.com/sh/iwqppyiiy72jh8a/AADov...rbgsdAJMBRAOtha?dl=0

I'll add that I'm running this on a RPi 4 with 4GB Ram as well. I've also tried Disabling both the FITS Viewer & the DSLR Image Viewer and the crash still happens at the same point.

If I change the FORMAT in the Capture Module to NATIVE - it works fine - even with the Viewers still enabled. This is only an issue if the Capture Format is set to FITS. So I have a temporary workaround in my case, but I'd love to be able to capture in FITS instead.

Thanks for the replies already & for the work to review the issue!

I am using a Fuji X-T3 and have had no luck in attempting to save in FITS mode. When I save in NATIVE (the Fuji RAF file) I have no issues saving to the Pi (very quick), or to the laptop (really slow). I, perhaps naively, assumed FITS wouldn't work as the camera does not support FITS. My FITS conversion is handled by Siril when preprocessing the images later.

Random Kstar/Ekos crashes happen and I've not really noticed a solid pattern yet. It always seems to come up again fine.

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