Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 17, 2016 and Dec 18, 2016 (GOES-15)
Solar flares on Dec 18, 2016
No solar flares of C, M and X-class were observed
Solar flares on Dec 17, 2016
No solar flares of C, M and X-class were observed