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I suspect the problem with taming star colours is the small but sensitive pixels of this new generation of CMOS sensors....admittedly a nice problem to have...but requires a different way of doing business.
I find it curious how quickly these sensors saturate stars, but given the low read noise, taking many short subs looks to be the fix for going deep and preserving star colours. But at over 100mb per sub frame, you'll quickly fill up hard disk space and processing on older PC's takes an eternity.
I dropped a motza on a custom AMD Ryzen Threadripper workstation and 24TB NAS drive...but have to say the processing speed and storage problems are well and truly solved...well almost...If you go remote shifting gigabytes of raw data is going to take a while over much of the NBN
Back to the QHY600M...it tersely shows any shortcomings or problems your optics and mechanical systems..and taming them can be a nightmare...that said, when you do, the details in single 60 megapixel frame can be amazing and are well worth the effort.
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