Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 21, 2011 and Sep 22, 2011 (GOES-15)
Solar flares on Sep 22, 2011
7 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.1 | 1295 | 23:51:00 | 23:56:00 | 24:02:00 |
| Flare of class C5.5 | 1295 | 22:21:00 | 22:30:00 | 22:36:00 |
| Flare of class C4.0 | 1295 | 20:14:00 | 20:20:00 | 20:33:00 |
| Flare of class X1.4 | 1302 | 10:29:00 | 11:01:00 | 11:44:00 |
| Flare of class M1.1 | 1302 | 09:53:00 | 10:00:00 | 10:09:00 |
| Flare of class C8.9 | 1302 | 08:49:00 | 09:05:00 | 09:09:00 |
| Flare of class C6.6 | 1295 | 04:20:00 | 04:28:00 | 04:41:00 |
Solar flares on Sep 21, 2011
10 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.0 | 1295 | 20:31:00 | 20:36:00 | 20:40:00 |
| Flare of class C2.1 | 0 | 16:47:00 | 16:49:00 | 16:51:00 |
| Flare of class C2.3 | 0 | 16:13:00 | 16:16:00 | 16:20:00 |
| Flare of class C2.8 | 1295 | 15:21:00 | 15:26:00 | 15:30:00 |
| Flare of class C2.7 | 1295 | 14:37:00 | 14:38:00 | 14:41:00 |
| Flare of class C2.6 | 1295 | 14:21:00 | 14:23:00 | 14:26:00 |
| Flare of class M1.8 | 1302 | 12:04:00 | 12:23:00 | 12:45:00 |
| Flare of class C3.9 | 1301 | 11:17:00 | 11:24:00 | 11:28:00 |
| Flare of class C1.9 | 1295 | 07:37:00 | 07:41:00 | 07:47:00 |
| Flare of class C2.7 | 1301 | 00:55:00 | 01:07:00 | 01:14:00 |