Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 19, 2011 and Apr 20, 2011 (GOES-15)
Solar flares on Apr 20, 2011
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.0 | 1195 | 19:30:00 | 19:39:00 | 19:49:00 |
| Flare of class C1.5 | 0 | 17:38:00 | 18:36:00 | 19:06:00 |
| Flare of class C1.0 | 1195 | 03:46:00 | 04:31:00 | 04:49:00 |
Solar flares on Apr 19, 2011
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.0 | 1195 | 05:08:00 | 05:12:00 | 05:17:00 |