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A tale of woe, and of almost endless thwarting and frustration, but great victory at the end.
(One good thing about our CDK-20 with its 3.5 metre focal length and rather generous sweet spot is that at only 660 meters altitude in rather ordinary seeing, one doesn't have to be too meticulous about squareness. Droop, and differential flexure, on the other hand, is a nightmare).
Speaking of nightmares, the Lobster always looks very scary.
I reckon you're up and running now. The RGB stars look faultless.
Well done!
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