October 2010

October 25, 2010
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Magnetic Field Lines Galore (SDO Pick of the Week)

The illustration maps the magnetic field lines emanating from the Sun and their interactions superimposed on an extreme ultraviolet image from SDO (Oct. 20, 2010). As one can see, the field lines are most dense around active regions, but they […]
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October 18, 2010
SOHO Pick of the Week - 15 October 2010
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A Twisting Solar Prominence (SOHO Pick of the Week)

The STEREO (Ahead) spacecraft caught this tumultuous solar prominence as it twisted and turned over about 18 hours, as seen in profile above the Sun?s surface, before disappearing (Oct. 8, 2010). The cloud of cooler gases, suspended by magnetic forces, […]
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October 11, 2010
Increased Auroral Activity Oct. 11-12 from a Halo CME Oct. 6, 2010
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Increased Auroral Activity Oct. 11-12 from a Halo CME Oct. 6, 2010

Around 3:30 UT on October 6, 2010 a filament erupted in the northeast part of the solar disk (upper left area). Moving at around 375 km/s (850,000 miles per hour) the CME combined with the ambient solar wind then over […]
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October 7, 2010
A Solar Eruption as the Earth Blocks SDO’s View of the Sun
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A Solar Eruption as the Earth Blocks SDO’s View of the Sun

A filament erupted in the NE area of the sun. The eruption was observed by SDO and the associated Halo CME was seen by SOHO's C2 and C3 coronagraphs. SDO is currently in eclipse season so during this event the earth moved between SDO and the sun, moving across the sun for a few minutes.
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