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Sun flares

X-ray index

X-ray index

Diagram of the solar flare activity

X-ray emission of the Sun on Sep 18, 2017 and Sep 19, 2017 (GOES-15)

X-ray emission of the Sun on Sep 18, 2017 and Sep 19, 2017

Solar flares on Sep 19, 2017

No solar flares of C, M and X-class were observed

Solar flares on Sep 18, 2017

No solar flares of C, M and X-class were observed