Time Zuts, lots more time. And if you’re in light polluted skies like we are you can double or triple that again. I’ve been in the same position with my STC duo both with a DSLR and now a cooled astro camera. I bet you if you give it another 2 hours of data ( at a bare minimum) , you will find processing an order of magnitude easier. That is also compounded again by the ZWO duo’s larger bandpass at the o2 end. It’s the same end of the spectrum as your light pollution. Just my 2 cents
Cheers
Ryan
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