Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 21, 2011 and Apr 22, 2011 (GOES-15)
Solar flares on Apr 22, 2011
17 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.9 | 1195 | 22:55:00 | 23:00:00 | 23:05:00 |
| Flare of class C2.4 | 1195 | 22:39:00 | 22:46:00 | 22:54:00 |
| Flare of class C2.7 | 1195 | 21:47:00 | 21:59:00 | 22:09:00 |
| Flare of class C3.6 | 1195 | 19:30:00 | 19:35:00 | 19:40:00 |
| Flare of class C4.2 | 1195 | 17:41:00 | 17:54:00 | 18:07:00 |
| Flare of class C5.5 | 1195 | 16:56:00 | 17:07:00 | 17:14:00 |
| Flare of class M1.2 | 1195 | 15:47:00 | 15:53:00 | 16:11:00 |
| Flare of class C1.4 | 1195 | 14:55:00 | 14:59:00 | 15:02:00 |
| Flare of class C1.3 | 1195 | 14:42:00 | 14:47:00 | 14:49:00 |
| Flare of class C1.3 | 1195 | 14:04:00 | 14:07:00 | 14:09:00 |
| Flare of class C3.0 | 1195 | 12:29:00 | 12:36:00 | 12:39:00 |
| Flare of class C7.7 | 1195 | 11:07:00 | 11:25:00 | 11:37:00 |
| Flare of class C2.6 | 1195 | 09:40:00 | 09:46:00 | 09:59:00 |
| Flare of class C2.5 | 1195 | 08:04:00 | 08:09:00 | 08:12:00 |
| Flare of class C1.8 | 1195 | 07:08:00 | 07:32:00 | 07:35:00 |
| Flare of class M1.8 | 1195 | 04:35:00 | 04:57:00 | 05:14:00 |
| Flare of class C1.5 | 1195 | 00:13:00 | 00:20:00 | 00:26:00 |
Solar flares on Apr 21, 2011
4 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.5 | 1195 | 21:51:00 | 22:07:00 | 22:39:00 |
| Flare of class C4.9 | 1195 | 14:37:00 | 14:51:00 | 15:00:00 |
| Flare of class C8.5 | 1195 | 09:38:00 | 09:48:00 | 09:58:00 |
| Flare of class C1.0 | 1195 | 08:31:00 | 08:38:00 | 08:50:00 |