Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 12, 2011 and Dec 13, 2011 (GOES-15)
Solar flares on Dec 13, 2011
5 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C3.1 | 1367 | 23:53:00 | 23:57:00 | 24:00:00 |
| Flare of class C4.8 | 1367 | 23:31:00 | 23:36:00 | 23:46:00 |
| Flare of class C1.0 | 1376 | 21:59:00 | 22:02:00 | 22:04:00 |
| Flare of class C1.1 | 1367 | 14:11:00 | 14:14:00 | 14:17:00 |
| Flare of class C1.4 | 1367 | 07:46:00 | 08:00:00 | 08:07:00 |
Solar flares on Dec 12, 2011
2 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.7 | 1367 | 23:31:00 | 23:39:00 | 23:52:00 |
| Flare of class C1.2 | 1374 | 08:30:00 | 08:37:00 | 08:47:00 |