Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 15, 2021 and Dec 16, 2021 (GOES-16)
Solar flares on Dec 16, 2021
8 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C3.0 | 2909 | 23:35:00 | 23:39:00 | 23:43:00 |
| Flare of class C2.9 | 2911 | 20:29:00 | 20:44:00 | 21:06:00 |
| Flare of class C2.3 | 2911 | 19:58:00 | 20:09:00 | 20:20:00 |
| Flare of class C3.3 | 2909 | 15:19:00 | 15:27:00 | 15:31:00 |
| Flare of class C2.0 | 2911 | 13:34:00 | 13:41:00 | 13:45:00 |
| Flare of class C1.5 | 2907 | 05:06:00 | 05:21:00 | 05:36:00 |
| Flare of class C1.3 | 2909 | 03:44:00 | 03:54:00 | 04:04:00 |
| Flare of class C1.4 | 2909 | 03:26:00 | 03:34:00 | 03:41:00 |
Solar flares on Dec 15, 2021
15 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.4 | 2907 | 14:27:00 | 14:34:00 | 14:38:00 |
| Flare of class C1.5 | 2907 | 14:09:00 | 14:13:00 | 14:21:00 |
| Flare of class C2.6 | 2907 | 12:08:00 | 12:17:00 | 12:26:00 |
| Flare of class C8.1 | 2907 | 10:31:00 | 10:44:00 | 10:48:00 |
| Flare of class C2.2 | 2907 | 10:13:00 | 10:22:00 | 10:31:00 |
| Flare of class C1.7 | 2907 | 10:04:00 | 10:10:00 | 10:13:00 |
| Flare of class C1.5 | 2907 | 09:05:00 | 09:22:00 | 09:34:00 |
| Flare of class C1.6 | 2907 | 08:38:00 | 08:52:00 | 09:05:00 |
| Flare of class C1.6 | 2907 | 06:08:00 | 06:12:00 | 06:16:00 |
| Flare of class C1.7 | 2907 | 05:48:00 | 05:58:00 | 06:08:00 |
| Flare of class C2.8 | 2907 | 04:48:00 | 04:54:00 | 04:58:00 |
| Flare of class C4.5 | 2907 | 04:07:00 | 04:21:00 | 04:32:00 |
| Flare of class C1.9 | 2907 | 03:38:00 | 03:46:00 | 03:51:00 |
| Flare of class C2.8 | 2907 | 02:57:00 | 03:04:00 | 03:09:00 |
| Flare of class C2.1 | 2907 | 01:36:00 | 01:46:00 | 01:55:00 |