SDO
30th May 2013, 21:40
A large coronal hole is currently transiting the solar disk center. This may be a source of high-speed solar wind and potential geomagnetic activity in a few days.
http://sdo.gsfc.nasa.gov/assets/img/browse/2013/05/30/20130530_002611_512_211193171.jpg (http://sdo.gsfc.nasa.gov/assets/img/browse/2013/05/30/20130530_002611_4096_211193171.jpg)
More... (http://sdoisgo.blogspot.com/2013/05/blowin-in-wind.html)
http://sdo.gsfc.nasa.gov/assets/img/browse/2013/05/30/20130530_002611_512_211193171.jpg (http://sdo.gsfc.nasa.gov/assets/img/browse/2013/05/30/20130530_002611_4096_211193171.jpg)
More... (http://sdoisgo.blogspot.com/2013/05/blowin-in-wind.html)