Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 28, 2021 and Dec 29, 2021 (GOES-16)
Solar flares on Dec 29, 2021
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.6 | 2916 | 04:18:00 | 04:28:00 | 04:32:00 |
Solar flares on Dec 28, 2021
8 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class M1.6 | 2918 | 15:59:00 | 16:11:00 | 16:20:00 |
| Flare of class C1.0 | 2918 | 15:03:00 | 15:14:00 | 15:32:00 |
| Flare of class C7.0 | 2918 | 07:29:00 | 07:44:00 | 07:57:00 |
| Flare of class C1.3 | 0 | 06:11:00 | 06:18:00 | 06:23:00 |
| Flare of class M1.8 | 2918 | 03:50:00 | 04:01:00 | 04:10:00 |
| Flare of class C2.7 | 2918 | 02:19:00 | 02:36:00 | 02:46:00 |
| Flare of class C1.3 | 0 | 00:39:00 | 00:47:00 | 00:51:00 |
| Flare of class C1.2 | 0 | 00:25:00 | 00:32:00 | 00:36:00 |