Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on May 17, 2023 and May 18, 2023 (GOES-16)
Solar flares on May 18, 2023
13 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class M4.5 | 3311 | 20:51:00 | 21:05:00 | 21:16:00 |
| Flare of class M3.8 | 3311 | 20:12:00 | 20:23:00 | 20:51:00 |
| Flare of class M1.1 | 3311 | 17:32:00 | 17:51:00 | 18:01:00 |
| Flare of class C4.0 | 3311 | 15:43:00 | 15:55:00 | 16:03:00 |
| Flare of class M1.6 | 3311 | 12:39:00 | 12:49:00 | 12:56:00 |
| Flare of class M2.2 | 3311 | 11:32:00 | 11:47:00 | 12:00:00 |
| Flare of class C4.2 | 3311 | 10:55:00 | 11:05:00 | 11:19:00 |
| Flare of class C5.2 | 3311 | 09:47:00 | 10:11:00 | 10:13:00 |
| Flare of class M1.2 | 3311 | 06:48:00 | 06:55:00 | 07:02:00 |
| Flare of class M1.0 | 3311 | 06:13:00 | 06:26:00 | 06:38:00 |
| Flare of class C2.2 | 0 | 04:51:00 | 04:57:00 | 05:01:00 |
| Flare of class C3.8 | 0 | 04:07:00 | 04:12:00 | 04:16:00 |
| Flare of class C8.6 | 0 | 03:03:00 | 03:21:00 | 03:39:00 |
Solar flares on May 17, 2023
10 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C9.5 | 0 | 21:38:00 | 21:48:00 | 22:01:00 |
| Flare of class C5.0 | 0 | 19:24:00 | 19:38:00 | 19:58:00 |
| Flare of class C6.2 | 0 | 18:34:00 | 18:44:00 | 18:54:00 |
| Flare of class C7.4 | 0 | 16:14:00 | 16:28:00 | 16:46:00 |
| Flare of class C4.3 | 3309 | 15:19:00 | 15:30:00 | 15:53:00 |
| Flare of class C6.4 | 0 | 14:30:00 | 14:43:00 | 14:58:00 |
| Flare of class C2.3 | 3310 | 08:23:00 | 08:28:00 | 08:32:00 |
| Flare of class C2.1 | 3310 | 07:52:00 | 07:58:00 | 08:02:00 |
| Flare of class C2.9 | 3310 | 03:36:00 | 03:48:00 | 03:54:00 |
| Flare of class C1.7 | 3305 | 01:50:00 | 01:56:00 | 02:02:00 |