Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 17, 2012 and Apr 18, 2012 (GOES-15)
Solar flares on Apr 18, 2012
8 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.4 | 1460 | 24:00:00 | 24:11:00 | 24:18:00 |
| Flare of class C1.3 | 0 | 18:12:00 | 18:15:00 | 18:20:00 |
| Flare of class C5.3 | 1463 | 16:54:00 | 17:06:00 | 17:18:00 |
| Flare of class C5.9 | 1463 | 14:51:00 | 15:13:00 | 15:18:00 |
| Flare of class C8.9 | 1463 | 12:32:00 | 12:39:00 | 12:50:00 |
| Flare of class C1.5 | 1463 | 11:28:00 | 11:44:00 | 11:54:00 |
| Flare of class C1.1 | 0 | 05:26:00 | 05:30:00 | 05:33:00 |
| Flare of class C3.1 | 1463 | 02:59:00 | 03:07:00 | 03:10:00 |
Solar flares on Apr 17, 2012
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.1 | 1461 | 06:06:00 | 08:09:00 | 08:52:00 |