Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 19, 2015 and Dec 20, 2015 (GOES-15)
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 |
Solar flares on Dec 19, 2015
No solar flares of C, M and X-class were observed