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Andrew, I think your scope was not properly cooled and not properly collimated, so you can't use those images to judge the scope. I find star testing fun, but since I haven't observed with someone who is experienced in this testing I don't place much faith in my own abilities to accurately assess a star test - it's easy to misinterpret the test.
Once you have the scope collimated and cooled, a safer way to assess it is to count how many craterlets you can see on the floor of Plato or look for the e and f stars in the Trapezium - you need stable seeing for these tests.
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