Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 17, 2017 and Sep 18, 2017 (GOES-15)
Solar flares on Sep 18, 2017
No solar flares of C, M and X-class were observed
Solar flares on Sep 17, 2017
No solar flares of C, M and X-class were observed