Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 19, 2011 and Dec 20, 2011 (GOES-15)
Solar flares on Dec 20, 2011
6 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C6.2 | 1376 | 22:38:00 | 22:50:00 | 23:04:00 |
| Flare of class C2.3 | 0 | 21:55:00 | 22:02:00 | 22:06:00 |
| Flare of class C2.9 | 1376 | 20:04:00 | 20:36:00 | 20:57:00 |
| Flare of class C1.4 | 0 | 18:17:00 | 18:21:00 | 18:28:00 |
| Flare of class C2.1 | 1376 | 11:47:00 | 11:52:00 | 11:54:00 |
| Flare of class C1.5 | 1381 | 00:38:00 | 00:44:00 | 00:50:00 |
Solar flares on Dec 19, 2011
No solar flares of C, M and X-class were observed