Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 20, 2015 and Apr 21, 2015 (GOES-15)
Solar flares on Apr 21, 2015
11 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class M1.2 | 2325 | 21:58:00 | 22:01:00 | 22:04:00 |
| Flare of class M1.8 | 2322 | 21:39:00 | 21:45:00 | 21:55:00 |
| Flare of class C5.0 | 2325 | 20:50:00 | 20:59:00 | 21:13:00 |
| Flare of class M2.1 | 2322 | 16:55:00 | 17:00:00 | 17:09:00 |
| Flare of class M4.0 | 2322 | 15:24:00 | 15:45:00 | 15:51:00 |
| Flare of class M2.2 | 2322 | 11:49:00 | 11:57:00 | 12:02:00 |
| Flare of class M2.2 | 0 | 10:17:00 | 10:40:00 | 10:59:00 |
| Flare of class C2.4 | 2322 | 09:55:00 | 10:02:00 | 10:14:00 |
| Flare of class M1.0 | 2322 | 07:08:00 | 07:21:00 | 07:27:00 |
| Flare of class C1.1 | 2324 | 05:36:00 | 05:42:00 | 05:52:00 |
| Flare of class C1.2 | 2322 | 03:49:00 | 03:54:00 | 04:07:00 |
Solar flares on Apr 20, 2015
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.4 | 2321 | 20:40:00 | 21:16:00 | 22:15:00 |
| Flare of class C1.2 | 0 | 19:51:00 | 19:54:00 | 19:58:00 |
| Flare of class C1.0 | 0 | 00:33:00 | 00:52:00 | 01:05:00 |