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10 am local Dec 7: I swapped the drive optical fiber for upper extension to one that was plugged into the array. Need to see if that worked.
Battery in calipers iis LR44. Need to bring down more.
Any repositioning of DIMSUM to include mirror seeing would have to go for the ride w telescope elevation axis, and would only work when mirror covers are open.
Ordered parts for more DIMSUMS: two monochrome Canon 5D IV from MaxMax. More Xenon flash sources from Hamamatsu, and this from B&H