Thanks guys, I hadn't been able to capture any noteworthy detail for a long time, and even this shot really had to happen quickly with more cloud (what else) approaching. So there was no time to get an image through the #47, or the V band, or with the homemade fused-silica barlow I plan to use with the Dob to get better sampling, but which has yet to be tested in various ways. Yes the violet/dark blue filter really does show some shading visually, and via camera. Definitely worth a try.
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