Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 20, 2023 and Apr 21, 2023 (GOES-16)
Solar flares on Apr 21, 2023
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.0 | 3279 | 22:12:00 | 22:23:00 | 22:30:00 |
| Flare of class M1.7 | 3283 | 17:44:00 | 18:12:00 | 18:44:00 |
| Flare of class C1.1 | 0 | 02:07:00 | 02:14:00 | 02:18:00 |
Solar flares on Apr 20, 2023
11 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.2 | 3281 | 23:20:00 | 23:27:00 | 23:34:00 |
| Flare of class C2.3 | 3281 | 22:23:00 | 22:30:00 | 22:37:00 |
| Flare of class C3.3 | 0 | 16:05:00 | 16:23:00 | 16:33:00 |
| Flare of class C2.3 | 3283 | 12:14:00 | 12:24:00 | 12:31:00 |
| Flare of class C2.4 | 3281 | 10:47:00 | 10:55:00 | 11:07:00 |
| Flare of class C3.6 | 3281 | 09:17:00 | 09:22:00 | 09:29:00 |
| Flare of class C2.5 | 3281 | 07:37:00 | 07:43:00 | 07:51:00 |
| Flare of class C1.8 | 3281 | 07:16:00 | 07:25:00 | 07:33:00 |
| Flare of class C2.2 | 3284 | 03:17:00 | 03:23:00 | 03:28:00 |
| Flare of class C1.8 | 3283 | 03:04:00 | 03:12:00 | 03:17:00 |
| Flare of class C2.2 | 0 | 01:12:00 | 01:19:00 | 01:30:00 |