Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 20, 2015 and Sep 21, 2015 (GOES-15)
Solar flares on Sep 21, 2015
4 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C8.8 | 2420 | 05:11:00 | 05:18:00 | 05:22:00 |
| Flare of class C1.5 | 2420 | 03:54:00 | 04:00:00 | 04:05:00 |
| Flare of class C4.2 | 2420 | 01:57:00 | 02:04:00 | 02:08:00 |
| Flare of class C2.8 | 2420 | 00:10:00 | 00:21:00 | 00:29:00 |
Solar flares on Sep 20, 2015
4 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class M2.1 | 2415 | 17:32:00 | 18:03:00 | 18:29:00 |
| Flare of class C1.4 | 2415 | 14:09:00 | 14:14:00 | 14:24:00 |
| Flare of class C2.6 | 2415 | 09:32:00 | 09:34:00 | 09:36:00 |
| Flare of class M1.5 | 2420 | 04:55:00 | 05:03:00 | 05:17:00 |