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Torusmirrorgroup · Torus Mirror Group
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Group Information

  • Members: 422
  • Category: Telescopes
  • Founded: Oct 12, 2002
  • Language: English
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Activity within 7 days:

1 New Member - 10 New Messages - New Questions

Description

Welcome to the Torus Mirror group. A place for the discussion and exchange of information about Torus mirrors and optics in general.


Clear Skies


The image is a wavefront map of my mirror made from high-resolution interferometry by Dale Eason. The apparent roughness is an interferometry artifact, and can be ignored. Other than some very small areas, the total P-V error is about .15 waves.-Steve Koehler

Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2008 30 87 142 16 10
2007 243 161 288 134 84 6 36 7 9 10 17 82
2006 7 5 9 25 2 7 10 8 3 92 291
2005 6 35 5 6 33 31 24 88 23 4 11 12
2004 88 29 50 23 9 28 27 44 152 24 32 18
2003 147 85 59 37 31 29 40 53 24 30 21
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