Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 30, 2021 and Dec 31, 2021 (GOES-16)
Solar flares on Dec 31, 2021
5 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C8.1 | 2918 | 19:32:00 | 19:46:00 | 20:02:00 |
| Flare of class C1.2 | 0 | 17:11:00 | 17:25:00 | 17:40:00 |
| Flare of class C9.8 | 2918 | 06:46:00 | 06:56:00 | 07:06:00 |
| Flare of class C4.5 | 2918 | 06:26:00 | 06:41:00 | 06:46:00 |
| Flare of class C1.9 | 2918 | 04:44:00 | 04:54:00 | 05:07:00 |
Solar flares on Dec 30, 2021
No solar flares of C, M and X-class were observed