Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 12, 2010 and Dec 13, 2010 (GOES-15)
Solar flares on Dec 13, 2010
No solar flares of C, M and X-class were observed
Solar flares on Dec 12, 2010
No solar flares of C, M and X-class were observed