Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 20, 2023 and Feb 21, 2023 (GOES-16)
Solar flares on Feb 21, 2023
11 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.6 | 3234 | 23:53:00 | 23:59:00 | 24:06:00 |
| Flare of class C8.3 | 3231 | 21:43:00 | 21:51:00 | 21:59:00 |
| Flare of class C7.3 | 3234 | 21:01:00 | 21:07:00 | 21:18:00 |
| Flare of class M5.0 | 3234 | 19:57:00 | 20:17:00 | 20:30:00 |
| Flare of class C6.3 | 3234 | 19:23:00 | 19:36:00 | 19:50:00 |
| Flare of class C4.0 | 3234 | 18:26:00 | 18:38:00 | 18:47:00 |
| Flare of class C2.6 | 3226 | 14:20:00 | 14:27:00 | 14:32:00 |
| Flare of class C6.1 | 3229 | 12:17:00 | 12:21:00 | 12:25:00 |
| Flare of class M4.7 | 3234 | 11:14:00 | 11:23:00 | 11:31:00 |
| Flare of class C9.6 | 3226 | 04:35:00 | 04:44:00 | 04:52:00 |
| Flare of class C9.1 | 0 | 03:40:00 | 04:02:00 | 04:16:00 |
Solar flares on Feb 20, 2023
15 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.1 | 3234 | 23:19:00 | 23:27:00 | 23:36:00 |
| Flare of class C2.8 | 3234 | 22:14:00 | 22:23:00 | 22:32:00 |
| Flare of class C1.9 | 3229 | 21:58:00 | 22:03:00 | 22:07:00 |
| Flare of class C2.8 | 3229 | 19:05:00 | 19:12:00 | 19:18:00 |
| Flare of class C5.4 | 3229 | 17:37:00 | 17:43:00 | 17:47:00 |
| Flare of class C3.1 | 3229 | 16:22:00 | 16:26:00 | 16:31:00 |
| Flare of class M4.4 | 3234 | 14:47:00 | 14:58:00 | 15:03:00 |
| Flare of class C2.5 | 3226 | 10:25:00 | 10:37:00 | 10:45:00 |
| Flare of class C7.1 | 3226 | 06:50:00 | 07:02:00 | 07:13:00 |
| Flare of class C4.4 | 3234 | 06:41:00 | 06:47:00 | 06:50:00 |
| Flare of class C5.5 | 3231 | 05:58:00 | 06:08:00 | 06:16:00 |
| Flare of class C3.3 | 3231 | 04:39:00 | 04:51:00 | 05:03:00 |
| Flare of class C2.1 | 0 | 04:12:00 | 04:18:00 | 04:26:00 |
| Flare of class C2.8 | 3226 | 02:08:00 | 02:16:00 | 02:20:00 |
| Flare of class C2.8 | 3231 | 01:19:00 | 01:25:00 | 01:34:00 |