Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 21, 2021 and Apr 22, 2021 (GOES-16)
Solar flares on Apr 22, 2021
11 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C8.5 | 2817 | 20:02:00 | 20:11:00 | 20:20:00 |
| Flare of class C1.0 | 2816 | 15:44:00 | 15:59:00 | 16:05:00 |
| Flare of class C2.5 | 2816 | 14:13:00 | 14:30:00 | 14:43:00 |
| Flare of class C2.8 | 2816 | 12:18:00 | 12:27:00 | 12:42:00 |
| Flare of class C3.7 | 2817 | 10:40:00 | 10:49:00 | 11:03:00 |
| Flare of class C1.4 | 2817 | 10:03:00 | 10:08:00 | 10:14:00 |
| Flare of class C4.3 | 2817 | 09:14:00 | 09:21:00 | 09:41:00 |
| Flare of class C2.3 | 2817 | 07:16:00 | 07:23:00 | 07:27:00 |
| Flare of class C1.7 | 2817 | 05:50:00 | 05:57:00 | 06:02:00 |
| Flare of class C2.7 | 2816 | 05:00:00 | 05:06:00 | 05:10:00 |
| Flare of class C3.8 | 2816 | 04:10:00 | 04:35:00 | 05:00:00 |
Solar flares on Apr 21, 2021
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.5 | 2817 | 01:18:00 | 01:29:00 | 01:41:00 |