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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 Apr 20, 2021 and Apr 21, 2021 (GOES-16)

X-ray emission of the Sun on Apr 20, 2021 and Apr 21, 2021

Solar flares on Apr 21, 2021

1 solar flare was observed :

 Active regionBegin, UTMax, UTEnd, UT
Flare of class C1.5281701:18:0001:29:0001:41:00

Solar flares on Apr 20, 2021

1 solar flare was observed :

 Active regionBegin, UTMax, UTEnd, UT
Flare of class C1.9281411:51:0012:15:0012:38:00