Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 20, 2015 and Dec 21, 2015 (GOES-15)
Solar flares on Dec 21, 2015
12 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C3.3 | 2473 | 23:38:00 | 24:14:00 | 24:38:00 |
| Flare of class C1.1 | 2470 | 22:23:00 | 22:26:00 | 22:28:00 |
| Flare of class C6.2 | 2473 | 18:08:00 | 18:27:00 | 18:42:00 |
| Flare of class C1.3 | 2473 | 15:39:00 | 16:37:00 | 16:41:00 |
| Flare of class C2.1 | 2473 | 14:17:00 | 14:33:00 | 14:48:00 |
| Flare of class M1.1 | 2472 | 10:09:00 | 10:19:00 | 10:32:00 |
| Flare of class C1.0 | 2472 | 09:00:00 | 09:04:00 | 09:09:00 |
| Flare of class C1.7 | 2472 | 08:25:00 | 08:29:00 | 08:31:00 |
| Flare of class C9.1 | 2472 | 05:29:00 | 05:39:00 | 05:43:00 |
| Flare of class C2.0 | 2472 | 04:50:00 | 04:58:00 | 05:04:00 |
| Flare of class C2.4 | 2472 | 03:10:00 | 03:16:00 | 03:21:00 |
| Flare of class M2.8 | 2472 | 00:52:00 | 01:03:00 | 01:11:00 |
Solar flares on Dec 20, 2015
8 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C5.4 | 2472 | 23:48:00 | 23:58:00 | 24:05:00 |
| Flare of class C6.0 | 2472 | 22:33:00 | 22:44:00 | 22:56:00 |
| Flare of class C2.3 | 2472 | 21:41:00 | 21:50:00 | 22:08:00 |
| Flare of class C2.4 | 2468 | 19:22:00 | 19:44:00 | 19:58:00 |
| Flare of class C1.6 | 2472 | 11:17:00 | 11:34:00 | 11:57:00 |
| Flare of class C1.2 | 2470 | 10:26:00 | 10:38:00 | 10:47:00 |
| Flare of class C1.2 | 2470 | 07:23:00 | 07:56:00 | 08:24:00 |
| Flare of class C3.8 | 2472 | 03:57:00 | 05:13:00 | 05:55:00 |