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  • Re: some changes of CI Cyg

    Jack, One thing is the focusing of the doublet of Lhires, done by measuring the fwhm of a spectral lamp line. In your case it seems ok. Another thing is

    zerib57 7 hours ago
  • Re: some changes of CI Cyg

    Robin, Attached are spectra of Vega this is the best focus I can achieve by altering both C14 and Atik focusing. Regards, Jack On 6 July 2015 at 23:37, 'Robin

    jackmartinuk60 8 hours ago
  • Re: some changes of CI Cyg

    Jose, I understand I will adjust the focussing on the C14 which may need collimating ? this has not been done by me however the Airy disc appears to be OK.

    jackmartinuk60 10 hours ago
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Group Description

[english] This group concerns amateur spectroscopy. Post can be in French or in English.

[français] Ce groupe concerne la spectroscopie / spectrographie amateur. Les messages peuvent être envoyés en français ou en anglais.

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  • 657
  • Astrophysics
  • May 14, 2003
  • English

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