Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 20, 2013 and Dec 21, 2013 (GOES-15)
Solar flares on Dec 21, 2013
10 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.3 | 1928 | 23:16:00 | 23:20:00 | 23:31:00 |
| Flare of class C3.2 | 0 | 21:43:00 | 22:22:00 | 22:33:00 |
| Flare of class C2.1 | 0 | 20:01:00 | 20:06:00 | 20:09:00 |
| Flare of class C7.5 | 1928 | 19:22:00 | 19:29:00 | 19:33:00 |
| Flare of class C2.0 | 0 | 18:33:00 | 18:41:00 | 18:52:00 |
| Flare of class C2.8 | 0 | 17:01:00 | 17:06:00 | 17:13:00 |
| Flare of class C1.7 | 1928 | 14:47:00 | 14:52:00 | 14:57:00 |
| Flare of class C9.2 | 1928 | 10:27:00 | 10:36:00 | 10:44:00 |
| Flare of class C3.5 | 1928 | 02:56:00 | 03:03:00 | 03:08:00 |
| Flare of class C3.0 | 1928 | 00:06:00 | 00:13:00 | 00:18:00 |
Solar flares on Dec 20, 2013
9 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.7 | 0 | 21:08:00 | 21:16:00 | 21:23:00 |
| Flare of class C2.3 | 1928 | 17:11:00 | 17:14:00 | 17:19:00 |
| Flare of class C5.4 | 1928 | 16:23:00 | 16:30:00 | 16:34:00 |
| Flare of class C8.5 | 1928 | 15:26:00 | 15:33:00 | 15:39:00 |
| Flare of class C3.2 | 1928 | 14:52:00 | 15:04:00 | 15:15:00 |
| Flare of class M1.6 | 1934 | 11:35:00 | 11:57:00 | 12:07:00 |
| Flare of class C2.2 | 1934 | 11:05:00 | 11:11:00 | 11:18:00 |
| Flare of class C1.5 | 0 | 04:45:00 | 04:48:00 | 04:53:00 |
| Flare of class C2.2 | 0 | 02:53:00 | 02:58:00 | 03:02:00 |