Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 17, 2021 and Sep 18, 2021 (GOES-16)
Solar flares on Sep 18, 2021
2 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.6 | 2871 | 07:48:00 | 08:15:00 | 23:48:00 |
| Flare of class C2.6 | 2871 | 07:47:00 | 08:27:00 | 08:33:00 |
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 |