Hi Skip. Just be mindful that some planet imagers (including me on occasion) are prone to altering ring brightness (without altering globe brightness) or vice versa as we see fit. I haven't felt the need to do that on this occasion as indeed, the rings are becoming brighter as we near opposition.
I'd be happy to contribute to your study, although it's a pretty rare occasion that I image these days, due to my weather in Bundaberg QLD this time of year.
PM me for further details if you like.
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