May 15, 2005 - Forecasters at the NOAA Space Environment Center in
Boulder, Colo., observed a geomagnetic storm on Sunday, May 15, which
they classified as an extreme event, measuring G-5-the highest
level-on the NOAA Space Weather Scales. (Click image for larger view
of the sun from the SOHO spacecraft of the intense solar activity taken
May 15, 2005, at 7:50 a.m. EDT. Click here to view high resolution
version, which is a large file. Click here to view latest images.
Please credit "SOHO.")