Quote:
Originally Posted by Paul Haese
Could the astigmatism be induced from the Wynne (maybe not likely given I have rotated the Wynne several times and get the same direction and shape or is this possible with a Wynne?) or perhaps not properly cooled optics? I only cooled these for 30 minutes prior to this test. Not enough but I wanted to check. I know it's not the primary as I have rotated it 45 degrees and get the same result. I did change the silicone on the secondary but perhaps ran it too thin when I reglued it.
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It is hard to tell the source of the astigmatism based on available information but if it is not the primary mirror then the secondary is the suspect.
Jason