Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 20, 2010 and Feb 21, 2010 (GOES-14)
Solar flares on Feb 21, 2010
No solar flares of C, M and X-class were observed
Solar flares on Feb 20, 2010
No solar flares of C, M and X-class were observed