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Colour in all your images are good Justin. Detail is ok too.
I think doing longer subs will help for sure. 2 minutes at 6400 is not going to draw much signal in. If you could manage 5-10 minutes you will get better results for sure. It will reduce the need to stretch hard too. Just by way of example I was doing 20 minute subs in LRGB for this object (though in monochrome and with a cooled camera). There is a difference in diameter you have here that has to be considered too which will give you the edge in light gathering but I think 10 minutes or around that figure would give you equivalent light gathering results and a greater resolution that I got with the FSQ. Like you I found NGC2170 to be very faint. I plan on doing a lot more integration time on this next year to improve the quality of the image I have now.
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