Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 17, 2011 and Sep 18, 2011 (GOES-15)
Solar flares on Sep 18, 2011
6 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.6 | 1295 | 22:23:00 | 22:27:00 | 22:29:00 |
| Flare of class C2.0 | 1295 | 15:48:00 | 15:52:00 | 15:58:00 |
| Flare of class C3.8 | 1295 | 09:48:00 | 10:57:00 | 11:37:00 |
| Flare of class C2.9 | 1301 | 07:32:00 | 07:35:00 | 07:37:00 |
| Flare of class C1.2 | 0 | 03:59:00 | 04:02:00 | 04:05:00 |
| Flare of class C1.6 | 0 | 01:26:00 | 01:30:00 | 01:32:00 |
Solar flares on Sep 17, 2011
2 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.1 | 0 | 10:47:00 | 10:50:00 | 10:52:00 |
| Flare of class C1.4 | 1290 | 08:05:00 | 08:08:00 | 08:10:00 |