Enormous Ring is Developing on the Sun

Source: Modern Survival blog What is this strange ring that has been developing on the Sun during 16-Oct?

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Sunspot 1112, located in the southeast quadrant, has been the source of a giant filament that is currently stretching 400,000 km across the surface of the Sun. However, today, there appears to be development of a enormous circular ring which looks to be linking with the huge magnetic filament of sunspot 1112. Most of today's various wavelength images of the Sun all show this feature over at the SDO (Solar Dynamics Observatory) - NASA website. More...