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Solar flares from active region 11283
C13
M5
X2
LargestX2.12011-09-06
Span12 days
Flares by day
1
2
2
2
3
5
1
4
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2011-08-31 | 11:16 | 11:24 | 15 | C2.2 | – | 11283 |
| 2011-09-01 | 12:42 | 12:48 | 11 | C2.0 | – | 11283 |
| 2011-09-01 | 18:13 | 18:22 | 17 | C2.0 | – | 11283 |
| 2011-09-06 | 01:35 | 01:50 | 30 | M5.3 | – | 11283 |
| 2011-09-06 | 22:12 | 22:20 | 12 | X2.1 | – | 11283 |
| 2011-09-07 | 22:13 | 22:18 | 13 | C1.6 | – | 11283 |
| 2011-09-07 | 22:32 | 22:38 | 12 | X1.8 | – | 11283 |
| 2011-09-08 | 10:40 | 10:50 | 17 | C1.7 | – | 11283 |
| 2011-09-08 | 15:32 | 15:46 | 20 | M6.7 | – | 11283 |
| 2011-09-08 | 22:52 | 22:58 | 29 | C1.1 | – | 11283 |
| 2011-09-09 | 01:46 | 02:03 | 26 | C1.2 | – | 11283 |
| 2011-09-09 | 06:01 | 06:11 | 16 | M2.7 | – | 11283 |
| 2011-09-09 | 12:39 | 12:49 | 17 | M1.2 | – | 11283 |
| 2011-09-09 | 14:42 | 14:59 | 42 | C3.2 | – | 11283 |
| 2011-09-09 | 23:05 | 23:09 | 15 | C1.1 | – | 11283 |
| 2011-09-10 | 07:18 | 07:40 | 38 | M1.1 | – | 11283 |
| 2011-09-11 | 08:41 | 08:51 | 46 | C6.6 | – | 11283 |
| 2011-09-11 | 13:18 | 13:26 | 18 | C1.9 | – | 11283 |
| 2011-09-11 | 19:45 | 19:49 | 7 | C1.7 | – | 11283 |
| 2011-09-11 | 21:19 | 21:25 | 16 | C1.1 | – | 11283 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
NOAA active region 11283 produced 20 C+ flares between 2011-08-31 and 2011-09-11.