Quote:
Originally Posted by MarkInSpace
Here’s the latest flat - using a homemade centering cap, then a barlowed laser, I’ve reset the middle screw of the mirror and re collimated the mirrors, not much better, but a bit better.
Any idea what can still be wrong?
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Whatever you did, keep doing it until the mirror is centered. Just need to go a little further in the direction you moved the secondary
