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Re: Collimation diffraction ring question

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  • Mike Dodd
    ... I hope so; I just ordered a Glatter laser collimator, since the prospects for good seeing any seem poor any time soon. I need to resolve this issue. --
    Message 1 of 16 , Mar 4 11:05 AM
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      dmwmpd wrote:
      > Hi Mike,
      >
      > Your photos show a classic Out-Of-Colimation condition. The overall
      > shape of the diffraction rings should be round, unless there is
      > astigmatism (which you probably do not have). The off center star
      > image is the key that it is not colimated.
      I hope so; I just ordered a Glatter laser collimator, since the
      prospects for good seeing any seem poor any time soon. I need to resolve
      this issue.

      --
      Mike

      Mike Dodd
      Montpelier, VA USA
      http://astronomy.mdodd.com
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