Nice one Paul! :-)
I did this one last year with ok results, but yours is deeper. In mine you can't really see more than a hint of the background galaxies, but yours does a better job with that. There's an amazing CHART32 image that got an APOD in 2016 which shows the background is absolutely littered with little galaxies.
I'm on some other targets at the moment, but you've inspired me to add some more data to last year's effort once I'm done with those, should the sky gods agree.
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