Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 20, 2013 and Feb 21, 2013 (GOES-15)
Solar flares on Feb 21, 2013
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.5 | 1678 | 04:56:00 | 05:05:00 | 05:17:00 |
| Flare of class C2.0 | 1678 | 04:01:00 | 04:09:00 | 04:16:00 |
| Flare of class C1.9 | 1678 | 03:07:00 | 03:10:00 | 03:12:00 |
Solar flares on Feb 20, 2013
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.7 | 1678 | 21:50:00 | 21:58:00 | 22:12:00 |
| Flare of class C3.0 | 1678 | 14:52:00 | 14:56:00 | 14:58:00 |
| Flare of class C8.2 | 1678 | 11:08:00 | 11:11:00 | 11:13:00 |