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You can see the effects of the magnetic fields through the long fingers of the filaments holding the cooled dense gas in place. Although this observation is mainly in the chromosphere and lower parts of the corona, the filaments are generally held in place by regions of opposing magnetic polarity within the photosphere. Of course this is also the case for the prominences, as prominences are filaments above the limb where the gas is set in front of the black sky instead of the disk. Although the filaments were very impressive on the disk itself, they were not so impressive on the limb today. Having said that, take a look at the faint section of prominence that appears to be floating off the limb in the WNW region.
NOAA 10969’s plage intertwined and reached out with crooked fingers. |
