Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 16, 2011 and Apr 17, 2011 (GOES-15)
Solar flares on Apr 17, 2011
2 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.3 | 0 | 19:00:00 | 19:18:00 | 19:33:00 |
| Flare of class C1.4 | 1185 | 14:08:00 | 14:15:00 | 14:23:00 |
Solar flares on Apr 16, 2011
11 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.7 | 1185 | 23:16:00 | 23:25:00 | 23:30:00 |
| Flare of class C1.0 | 1185 | 19:59:00 | 20:17:00 | 20:28:00 |
| Flare of class C3.7 | 1185 | 16:34:00 | 16:53:00 | 17:08:00 |
| Flare of class C5.7 | 1190 | 13:51:00 | 14:14:00 | 14:29:00 |
| Flare of class C1.8 | 1185 | 09:00:00 | 09:07:00 | 09:12:00 |
| Flare of class C1.7 | 0 | 06:06:00 | 06:15:00 | 06:24:00 |
| Flare of class C3.5 | 1190 | 05:26:00 | 05:38:00 | 05:45:00 |
| Flare of class C1.4 | 1185 | 04:01:00 | 04:08:00 | 04:17:00 |
| Flare of class C2.1 | 1190 | 02:31:00 | 03:12:00 | 03:30:00 |
| Flare of class C1.4 | 1193 | 01:54:00 | 02:01:00 | 02:07:00 |
| Flare of class C5.2 | 1190 | 00:34:00 | 00:57:00 | 01:08:00 |