Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 12, 2012 and Feb 13, 2012 (GOES-15)
Solar flares on Feb 13, 2012
No solar flares of C, M and X-class were observed
Solar flares on Feb 12, 2012
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C3.9 | 1419 | 14:37:00 | 14:43:00 | 14:46:00 |
| Flare of class C1.6 | 1419 | 06:53:00 | 07:01:00 | 07:05:00 |
| Flare of class C1.3 | 1419 | 04:42:00 | 04:46:00 | 04:51:00 |