Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 20, 2012 and Apr 21, 2012 (GOES-15)
Solar flares on Apr 21, 2012
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.8 | 1459 | 20:10:00 | 20:14:00 | 20:19:00 |
| Flare of class C1.0 | 1462 | 11:00:00 | 11:14:00 | 11:24:00 |
| Flare of class C2.4 | 1460 | 01:27:00 | 01:32:00 | 01:34:00 |
Solar flares on Apr 20, 2012
7 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.4 | 1465 | 22:25:00 | 22:35:00 | 22:44:00 |
| Flare of class C1.6 | 1465 | 20:44:00 | 20:48:00 | 20:51:00 |
| Flare of class C1.0 | 1465 | 20:00:00 | 20:07:00 | 20:10:00 |
| Flare of class C1.6 | 1465 | 17:22:00 | 17:26:00 | 17:36:00 |
| Flare of class C3.3 | 1465 | 16:46:00 | 16:47:00 | 16:49:00 |
| Flare of class C1.6 | 1465 | 14:49:00 | 15:01:00 | 15:32:00 |
| Flare of class C1.1 | 1462 | 03:15:00 | 03:22:00 | 03:28:00 |