Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 16, 2021 and Sep 17, 2021 (GOES-16)
Solar flares on Sep 17, 2021
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C3.5 | 0 | 04:09:00 | 04:20:00 | 04:48:00 |
Solar flares on Sep 16, 2021
No solar flares of C, M and X-class were observed