[ATM] need help interpreting ronchi images

[David Margrave <david.margrave@gmail.com>]

Hi,

I've put some images on-line here

http://www.margrave.com/static/ronchi/

My goals are modest: to have a smooth, spherical 8" f/8 mirror.  I
think I was on the right track getting things spherical but the last
couple polishing sessions I seem to have gone too far.  Also with a
bright flashlight nearly at the ROC, the center part of the mirror
still looks a bit frosty.

Dave
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