Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 20, 2023 and Dec 21, 2023 (GOES-16)
Solar flares on Dec 21, 2023
13 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class M3.3 | 3519 | 23:42:00 | 24:04:00 | 24:19:00 |
| Flare of class C4.0 | 3529 | 21:14:00 | 21:21:00 | 21:25:00 |
| Flare of class C2.0 | 3519 | 20:22:00 | 20:30:00 | 20:40:00 |
| Flare of class C1.8 | 3519 | 20:03:00 | 20:10:00 | 20:22:00 |
| Flare of class C4.1 | 3526 | 19:03:00 | 19:07:00 | 19:12:00 |
| Flare of class C3.1 | 3519 | 17:52:00 | 18:03:00 | 18:10:00 |
| Flare of class C2.1 | 3524 | 16:16:00 | 16:25:00 | 16:36:00 |
| Flare of class C2.1 | 3528 | 12:16:00 | 12:21:00 | 12:29:00 |
| Flare of class C2.2 | 3521 | 10:15:00 | 10:25:00 | 10:29:00 |
| Flare of class C2.2 | 3521 | 10:04:00 | 10:10:00 | 10:15:00 |
| Flare of class M4.2 | 3519 | 05:19:00 | 05:38:00 | 05:49:00 |
| Flare of class C3.9 | 3529 | 02:14:00 | 02:18:00 | 02:22:00 |
| Flare of class C5.4 | 3529 | 00:01:00 | 00:06:00 | 00:10:00 |
Solar flares on Dec 20, 2023
10 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C6.5 | 3519 | 21:34:00 | 21:54:00 | 22:16:00 |
| Flare of class C4.4 | 3524 | 20:53:00 | 21:01:00 | 21:05:00 |
| Flare of class C3.4 | 3524 | 20:12:00 | 20:17:00 | 20:21:00 |
| Flare of class C7.2 | 3521 | 18:39:00 | 18:43:00 | 18:47:00 |
| Flare of class C6.8 | 3531 | 17:08:00 | 17:27:00 | 17:41:00 |
| Flare of class C2.5 | 3526 | 16:24:00 | 16:28:00 | 16:54:00 |
| Flare of class C3.8 | 3530 | 14:33:00 | 14:36:00 | 14:40:00 |
| Flare of class C7.9 | 3519 | 09:23:00 | 09:36:00 | 09:55:00 |
| Flare of class C8.3 | 3521 | 08:44:00 | 08:54:00 | 09:03:00 |
| Flare of class C7.9 | 3521 | 05:56:00 | 06:03:00 | 06:07:00 |