Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Aug 20, 2017 and Aug 21, 2017 (GOES-13)
Solar flares on Aug 21, 2017
4 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.5 | 2671 | 21:47:00 | 22:38:00 | 22:58:00 |
| Flare of class C1.5 | 2671 | 20:12:00 | 20:22:00 | 20:26:00 |
| Flare of class C3.0 | 0 | 17:39:00 | 17:57:00 | 18:01:00 |
| Flare of class C5.9 | 2672 | 03:05:00 | 03:16:00 | 03:30:00 |
Solar flares on Aug 20, 2017
5 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C9.4 | 2672 | 19:20:00 | 19:39:00 | 19:49:00 |
| Flare of class C1.0 | 2672 | 14:40:00 | 14:45:00 | 14:52:00 |
| Flare of class C2.9 | 2671 | 07:45:00 | 07:50:00 | 07:54:00 |
| Flare of class C1.8 | 2671 | 04:22:00 | 04:40:00 | 04:53:00 |
| Flare of class M1.1 | 2672 | 01:36:00 | 01:52:00 | 02:03:00 |