45 to 60min subs with all your ear on the EQ6 might be a bit of a stretch, and to be honest, shouldn't be needed. I think you'll find 30min subs to be heaps, and 15 or so of them should do the trick for a nice smooth image provided you take good calibration frames.. Temperature is going to be your killer.. ICNR is perhaps the only way to ensure your darks are matched to your lights, but who wants to take 1 hour to collect 30 minutes of data...
Im ranting because im bored... sigh..
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