Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Oct 20, 2016 and Oct 21, 2016 (GOES-15)
Solar flares on Oct 21, 2016
No solar flares of C, M and X-class were observed
Solar flares on Oct 20, 2016
No solar flares of C, M and X-class were observed