home *** CD-ROM | disk | FTP | other *** search
/ SOHO - Exploring the Sun - 2003 Update / SOHO - Exploring the Sun - 2003 Update.iso / pc / data / main.dcr / nsd_6_5_c2dblast.png < prev    next >
Portable Network Graphic  |  2003-02-25  |  11.7 KB  |  561x65  |  8-bit (33 colors)
   ocr: LASCO C2 running difference" image of the large halo' CME of 7 April 1997. The event is called a halo' event because the circular areas of the edges of the blast seem to form kind of a halo around the Sun. This event caused a signiticant amount of geomagnetic activily in northern regions all over the world on 10-11 April 1997, with beautiful displays caused by aurora borealis.