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:
400mm refractor /w 0.6 reducer
400mm refractor prime focus (star diagonal)
400mm refractor 2x Meade barlow (star diagonal)
400mm refractor 3x Televue barlow (star diagonal)
C8 0.3x Meade focal reducer
C8 prime focus
C8 2x Meade barlow
C8 3x Televue barlow
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.
