Quote:
Originally Posted by strongmanmike
Not sure why all the cryptic code is necessary  I really don't think the point of my post is that complicated
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You have given a graphic example of an obvious truth....and that's great.
Chris has (kindly) shown an similar example of (as I had shown on a commercial web site....that I won't point to in respect to the other Mike...!

) well, about a decade ago (OK, I'm starting to feel like a grumpy old bugger

)
Yes..... Seeing affects FWHM's ....so I'm now puzzled (I ask myself "why" more fequently in my dotage

)
I don't see any other point. Yes, seeing can be awful and degrade images from otherwise perfect optics.
Was there something else I missed ?