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Unidentified Sun Object is Identified! A Little Black Spot on The Sun Today

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Published on Mar 13, 2012

http://www.thesuntoday.org - On March 12, 2012 Sunsflare posted a video asking if anyone could identify a circular object seen in SDO coronal images. The video was also posted on Facebook with the same question posed. I answered the question on facebook but here is a more detailed response and discussion of the observation. The object seen is a coronal cavity associated with a filament. There was also an eruption of the filament with a CME.

original video: http://www.youtube.com/watch?v=5AwrJQ...
update video: http://www.youtube.com/watch?v=Ev8JGq...

Thanks to NASA, ESA, SDO, SOHO, STEREO, Helioviewer, virtuallinda.com and Sunsflare!

Join us at http://www.facebook.com/thesuntoday and http://www.twitter.com/thesuntoday

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