Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on May 20, 2023 and May 21, 2023 (GOES-16)
Solar flares on May 21, 2023
13 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C9.8 | 3305 | 21:36:00 | 21:57:00 | 22:13:00 |
| Flare of class C4.3 | 3305 | 20:55:00 | 21:01:00 | 21:16:00 |
| Flare of class M2.6 | 3311 | 15:49:00 | 16:04:00 | 16:18:00 |
| Flare of class C4.6 | 3305 | 15:04:00 | 15:17:00 | 15:29:00 |
| Flare of class C5.4 | 3305 | 11:20:00 | 11:30:00 | 11:45:00 |
| Flare of class C4.9 | 3311 | 08:27:00 | 08:34:00 | 08:48:00 |
| Flare of class C4.5 | 3305 | 07:40:00 | 07:59:00 | 08:12:00 |
| Flare of class C4.1 | 3305 | 06:40:00 | 06:49:00 | 06:53:00 |
| Flare of class C3.0 | 3311 | 05:30:00 | 05:40:00 | 06:04:00 |
| Flare of class C3.0 | 3311 | 04:57:00 | 05:03:00 | 05:08:00 |
| Flare of class C4.9 | 3311 | 03:51:00 | 03:57:00 | 04:05:00 |
| Flare of class M1.4 | 3311 | 02:18:00 | 02:23:00 | 02:33:00 |
| Flare of class C2.5 | 3305 | 00:59:00 | 01:06:00 | 01:14:00 |
Solar flares on May 20, 2023
27 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class M5.1 | 3311 | 22:52:00 | 23:06:00 | 23:21:00 |
| Flare of class C6.1 | 3311 | 20:57:00 | 21:04:00 | 21:14:00 |
| Flare of class C6.4 | 3305 | 20:19:00 | 20:28:00 | 20:34:00 |
| Flare of class C5.1 | 3305 | 19:57:00 | 20:17:00 | 20:19:00 |
| Flare of class C3.6 | 3312 | 19:37:00 | 19:45:00 | 19:57:00 |
| Flare of class M1.1 | 3311 | 18:57:00 | 19:03:00 | 19:07:00 |
| Flare of class C7.2 | 3311 | 18:42:00 | 18:54:00 | 18:57:00 |
| Flare of class C4.7 | 3311 | 17:59:00 | 18:08:00 | 18:15:00 |
| Flare of class C3.7 | 3311 | 17:37:00 | 17:46:00 | 17:59:00 |
| Flare of class C4.9 | 3311 | 17:00:00 | 17:05:00 | 17:09:00 |
| Flare of class C4.1 | 3311 | 16:48:00 | 16:54:00 | 16:58:00 |
| Flare of class C3.3 | 3311 | 16:14:00 | 16:18:00 | 16:30:00 |
| Flare of class M5.6 | 3311 | 14:54:00 | 15:00:00 | 15:04:00 |
| Flare of class C7.2 | 3311 | 14:18:00 | 14:25:00 | 14:33:00 |
| Flare of class M8.9 | 3311 | 12:25:00 | 12:35:00 | 12:40:00 |
| Flare of class M1.6 | 3311 | 10:48:00 | 10:54:00 | 11:10:00 |
| Flare of class M1.1 | 3312 | 09:18:00 | 09:27:00 | 09:32:00 |
| Flare of class M6.4 | 3311 | 07:16:00 | 07:32:00 | 07:36:00 |
| Flare of class M1.0 | 3311 | 06:49:00 | 07:02:00 | 07:12:00 |
| Flare of class C3.2 | 3311 | 05:42:00 | 05:53:00 | 06:01:00 |
| Flare of class C6.9 | 3312 | 04:36:00 | 04:50:00 | 04:57:00 |
| Flare of class C3.2 | 3312 | 04:18:00 | 04:24:00 | 04:30:00 |
| Flare of class C5.1 | 3305 | 03:08:00 | 03:17:00 | 03:22:00 |
| Flare of class C5.4 | 3311 | 02:37:00 | 02:40:00 | 02:44:00 |
| Flare of class C4.9 | 3311 | 02:24:00 | 02:33:00 | 02:37:00 |
| Flare of class C2.7 | 3305 | 00:37:00 | 00:47:00 | 01:02:00 |
| Flare of class C2.9 | 3312 | 00:13:00 | 00:23:00 | 00:29:00 |