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Solar flares from active region 11176
C16
M3
X0
LargestM1.42011-03-23
Span11 days
Flares by day
2
2
5
4
1
1
1
1
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2011-03-22 | 03:31 | 03:37 | 9 | C3.9 | – | 11176 |
| 2011-03-22 | 21:19 | 22:12 | 75 | C1.6 | – | 11176 |
| 2011-03-23 | 02:03 | 02:17 | 21 | M1.4 | – | 11176 |
| 2011-03-23 | 17:06 | 17:10 | 7 | C1.1 | – | 11176 |
| 2011-03-24 | 12:01 | 12:07 | 10 | M1.0 | – | 11176 |
| 2011-03-24 | 15:31 | 15:37 | 11 | C1.6 | – | 11176 |
| 2011-03-24 | 17:01 | 17:06 | 9 | C9.1 | – | 11176 |
| 2011-03-24 | 18:51 | 18:57 | 23 | C1.3 | – | 11176 |
| 2011-03-24 | 20:53 | 20:57 | 7 | C1.4 | – | 11176 |
| 2011-03-25 | 00:38 | 00:42 | 7 | C1.0 | – | 11176 |
| 2011-03-25 | 00:57 | 01:01 | 7 | C1.0 | – | 11176 |
| 2011-03-25 | 16:47 | 17:13 | 35 | C1.0 | – | 11176 |
| 2011-03-25 | 23:08 | 23:22 | 22 | M1.0 | – | 11176 |
| 2011-03-26 | 00:55 | 00:58 | 7 | C1.0 | – | 11176 |
| 2011-03-27 | 00:06 | 00:14 | 14 | C3.1 | – | 11176 |
| 2011-03-28 | 11:30 | 11:39 | 16 | C1.4 | – | 11176 |
| 2011-03-31 | 15:26 | 15:35 | 20 | C2.6 | – | 11176 |
| 2011-04-01 | 01:46 | 01:56 | 21 | C3.4 | – | 11176 |
| 2011-04-01 | 03:48 | 03:54 | 11 | C3.1 | – | 11176 |
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 11176 produced 19 C+ flares between 2011-03-22 and 2011-04-01.