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A voyage to sunspot 649, August 12, 2004


All images were shot with a ToUcam 740k using optical configurations as indicated. Baader AstroSolar filter (full aperture) were used on the 2 telescopes, combined with a Baader IR-block filter. Notice that no H-alpha filter has been used (I don't have such a filter)!

Optical configurations:

For comparison, see see SOHO's image of this sunspot here.
Also this Mount Wilson observatory drawing provided by Dr. Leif Svalgaard (thanks Leif!).

Click any thumbnail image, then continue with "next" to enjoy the voyage in full resolution.
400mm_06x.html
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400mm_prime_focus.html
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400mm_2xbarlow.html
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400mm_3xbarlow.html
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C8_033x.html
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C8_prime_focus.html
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C8_2xbarlow.html
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C8_3xbarlow.html
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