Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 19, 2011 and Feb 20, 2011 (GOES-15)
Solar flares on Feb 20, 2011
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.7 | 1161 | 03:54:00 | 03:57:00 | 03:59:00 |
| Flare of class C1.4 | 1162 | 02:45:00 | 03:19:00 | 03:31:00 |
| Flare of class C1.2 | 1161 | 00:46:00 | 01:23:00 | 01:45:00 |
Solar flares on Feb 19, 2011
12 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.9 | 1158 | 21:07:00 | 21:13:00 | 21:17:00 |
| Flare of class C6.1 | 1158 | 16:39:00 | 16:43:00 | 16:45:00 |
| Flare of class C1.9 | 1158 | 16:26:00 | 16:30:00 | 16:32:00 |
| Flare of class C1.5 | 1158 | 15:24:00 | 15:29:00 | 15:41:00 |
| Flare of class C1.0 | 1162 | 14:50:00 | 14:53:00 | 14:55:00 |
| Flare of class C1.1 | 1162 | 12:20:00 | 12:24:00 | 12:34:00 |
| Flare of class C8.5 | 1162 | 08:00:00 | 08:04:00 | 08:12:00 |
| Flare of class C1.9 | 1158 | 07:40:00 | 07:44:00 | 07:47:00 |
| Flare of class C2.6 | 1162 | 06:57:00 | 07:05:00 | 07:14:00 |
| Flare of class C3.4 | 1161 | 02:56:00 | 03:03:00 | 03:11:00 |
| Flare of class C1.8 | 1158 | 02:21:00 | 02:25:00 | 02:30:00 |
| Flare of class C1.3 | 1158 | 01:33:00 | 01:37:00 | 01:41:00 |