Re: [ATM] Ball Scope First Light

[Dale Eason <atmpob@yahoo.com>]

The following site will help you understand your
ronchii images.


http://www.atm-workshop.com/ronchi-test.html


Dale Eason

--- Jason Hissong <jhissong@gmail.com> wrote:

> Bob,
> 
> Here is the latest Ronchi image of the mirror.  I
> did go around the 
> barrel with COC chordal strokes with tool on top.  I
> may have it wrong 
> in regards to the TUE?  There is definately
> something going on with the 
> edge (or the outer zones.)  The center of course
> needs some work.. but I 
> want to make sure I get the edge taken care of
> first.
> 
> Outside radius of curvature.
>
http://www.undermidnight.com/images/atm/parabola_oroc.jpg
> 
> Thanks
> 
> Jason
> 
> Bob May wrote:
> 
> >A turne up edge can easily be fixed with the mirror
> on the bottom
> >and a few chordal strokes to bring it down.  Don't
> do many
> >strokes as you can easily go too far.  You're
> probablly in the 5
> >to 10 strokes per session range, depending upon how
> fast your lap
> >is working.
> >Bob May
> >bobmay at nethere.com
> >http: slash /nav.to slash bobmay
> >http: slash /bobmay dot astronomy.net
> >Replace the obvious words with the proper
> character.
> >
> >_______________________________________________
> >ATM mailing list http://www.atmlist.net/
> >
> >  
> >
> 
> 
> -- 
> 
> "A long journey starts with the first step and an
> understanding spouse."
> http://www.undermidnight.com - astronomy and
> astrophotography
> http://www.n8xe.com - ham radio
> http://www.jasonhissong.com - electronic music
> composition
> 
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> 



	
		
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