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Group Information

  • Members: 348
  • Category: Telescopes
  • Founded: Nov 29, 2006
  • Language: English
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Activity within 7 days:

1 New Member - New Questions

Description

A group dedicated to the Roddier test for evaluating telescope optics.

The "files" area has results for different telescopes and a Cookbook to help you test your own optics.

Most Recent Messages

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Camera Centering Experiment, Testing Software Variables
Group - in post #680 I raised two questions about the interaction between camera sensor chip orientation and Roddier analysis results. I have so far found no
Posted - Wed Sep 16, 2009 1:14 am
 m_hollimon
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Re: Latest Information on Roddier tests of 10 Inch f/6 Newtonian
... Oscar - an interesting point. Seems like this effect would also modify results for refractors but they generally test closer to expectations. Curious. I
Posted - Tue Sep 1, 2009 8:08 pm
 m_hollimon
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Re: Latest Information on Roddier tests of 10 Inch f/6 Newtonian
Only a point. I used Vega last year for Roddier test of a Klevstov-Cassegrain (TAL 250K). In my conclusion, it's too bright for a correct testing (I also
Posted - Tue Sep 1, 2009 3:08 pm
 Oscar González Re...
ogrydc
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Latest Information on Roddier tests of 10 Inch f/6 Newtonian
... The above mods have been completed and a set of Roddier images (Test 9) obtained and analyzed using Vega as the target star. ... A "fanatically careful"
Posted - Tue Jul 21, 2009 8:12 pm
 m_hollimon
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Re: Artificial Star Question
... Dr. Biretta - sorry for any confusion about some of these details. All the Zernike coefficients displayed by OpenFringe are normalized,i.e., an error
Posted - Sat Jun 13, 2009 4:42 pm
 m_hollimon
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 11 9 21 8 2 17 1 3
2008 111 15 25 5 3 19 85 25 3 20 16
2007 77 18 19 54 45 5 7 24 7 3 9
2006 1 15
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