Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 27, 2011 and Dec 28, 2011 (GOES-15)
Solar flares on Dec 28, 2011
13 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C6.2 | 1389 | 21:21:00 | 21:29:00 | 21:36:00 |
| Flare of class C2.3 | 1384 | 20:53:00 | 21:07:00 | 21:10:00 |
| Flare of class C4.0 | 1386 | 20:18:00 | 20:31:00 | 20:40:00 |
| Flare of class C1.3 | 0 | 19:46:00 | 19:51:00 | 19:55:00 |
| Flare of class C6.4 | 1387 | 16:36:00 | 16:40:00 | 16:44:00 |
| Flare of class C3.1 | 0 | 16:03:00 | 16:10:00 | 16:25:00 |
| Flare of class C7.2 | 1389 | 14:17:00 | 14:25:00 | 14:28:00 |
| Flare of class C2.0 | 0 | 13:05:00 | 13:10:00 | 13:16:00 |
| Flare of class C1.1 | 0 | 11:49:00 | 11:53:00 | 11:57:00 |
| Flare of class C2.6 | 1389 | 05:19:00 | 05:28:00 | 05:35:00 |
| Flare of class C4.5 | 1389 | 03:30:00 | 03:50:00 | 04:10:00 |
| Flare of class C2.1 | 1389 | 01:54:00 | 02:08:00 | 02:16:00 |
| Flare of class C2.3 | 1387 | 00:14:00 | 00:30:00 | 00:40:00 |
Solar flares on Dec 27, 2011
8 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C6.7 | 0 | 21:46:00 | 22:26:00 | 22:49:00 |
| Flare of class C1.7 | 0 | 19:32:00 | 19:36:00 | 19:40:00 |
| Flare of class C2.5 | 1387 | 18:31:00 | 18:36:00 | 18:43:00 |
| Flare of class C1.5 | 0 | 17:25:00 | 17:30:00 | 17:35:00 |
| Flare of class C6.2 | 1387 | 11:59:00 | 12:07:00 | 12:34:00 |
| Flare of class C4.0 | 1387 | 09:17:00 | 09:23:00 | 09:26:00 |
| Flare of class C3.8 | 1387 | 08:11:00 | 08:22:00 | 08:32:00 |
| Flare of class C8.9 | 1386 | 04:11:00 | 04:22:00 | 04:31:00 |