Images taken by Greg Swaim, Dallas TX - USA ALL IMAGES TAKEN OCTOBER 30, 2010 USING THE SAME EQUIPMENT AT THE SAME FOCAL LENGTH Williams Optics 110mm F/6.5 with 4X powermate - aperture reduced to 95mm on Hydrogen Alpha and Helium D3 Imaged in monochrome with Luminera SKYnyx 2-2M Filters used: DayStar Hydrogen Alpha .5Å / DayStar Calcium K-Line 2.0Å / DayStar Helium D3 Filter .3Å / Baader Herschel Wedge Prisma WIDER FIELD OF VIEW |
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Sunspot Group 1117 in Hydrogen Alpha Note: 95mm Clear Aperture |
Sunspot Group 1117 in Ca II K-Line Note: 110mm Clear Aperture |
Sunspot Group 1117 in White Light Note: 110mm Clear Aperture |
Sunspot Group 1117 in Helium D3 Line Note: 95mm Clear Aperture |
A Closer look in 1:1 resolution at the Active Region
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Sunspot Group 1117 in Hydrogen Alpha Note: 95mm Clear Aperture |
Sunspot Group 1117 in Ca II K-Line Note: 110mm Clear Aperture |
Sunspot Group 1117 in White Light Note: 110mm Clear Aperture |
Sunspot Group 1117 in Helium D3 Line Note: 95mm Clear Aperture |
A Closer look in 1:1 resolution in an INACTIVE area nearby
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NEAR Sunspot Group 1117 in Hydrogen Alpha Note: 95mm Clear Aperture Detail shown is chromosphere and spicule |
NEAR Sunspot Group 1117 in Ca II K-Line Note: 110mm Clear Aperture Detail shown is plague |
NEAR Sunspot Group 1117 in White Light Note: 110mm Clear Aperture Detail shown is camera noise and oversharpening |
NEAR Sunspot Group 1117 in Helium D3 Line Note: 95mm Clear Aperture Detail shown is individual cells of super-granulation |