Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 27, 2011 and Feb 28, 2011 (GOES-15)
Solar flares on Feb 28, 2011
10 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.6 | 0 | 23:11:00 | 24:05:00 | 24:27:00 |
| Flare of class C1.7 | 1164 | 21:15:00 | 21:31:00 | 21:46:00 |
| Flare of class C1.0 | 1164 | 15:44:00 | 15:52:00 | 15:59:00 |
| Flare of class M1.1 | 1164 | 12:38:00 | 12:52:00 | 13:03:00 |
| Flare of class C1.2 | 1164 | 12:02:00 | 12:07:00 | 12:18:00 |
| Flare of class C1.5 | 1164 | 09:38:00 | 09:52:00 | 10:03:00 |
| Flare of class C2.4 | 1164 | 07:34:00 | 07:38:00 | 07:40:00 |
| Flare of class C2.0 | 1164 | 07:01:00 | 07:10:00 | 07:16:00 |
| Flare of class C1.1 | 1164 | 06:30:00 | 06:38:00 | 06:49:00 |
| Flare of class C1.7 | 1164 | 05:24:00 | 05:33:00 | 05:40:00 |
Solar flares on Feb 27, 2011
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.2 | 1164 | 03:49:00 | 03:55:00 | 03:58:00 |