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Solar flares from active region 11164
C38
M5
X0
LargestM3.72011-03-07
Span13 days
Flares by day
1
1
1
9
6
1
5
1
1
11
5
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2011-02-25 | 17:18 | 17:29 | 19 | C1.1 | – | 11164 |
| 2011-02-26 | 08:09 | 08:13 | 6 | C1.3 | – | 11164 |
| 2011-02-27 | 03:49 | 03:55 | 9 | C4.2 | – | 11164 |
| 2011-02-28 | 05:24 | 05:33 | 16 | C1.7 | – | 11164 |
| 2011-02-28 | 06:30 | 06:38 | 19 | C1.1 | – | 11164 |
| 2011-02-28 | 07:01 | 07:10 | 15 | C2.0 | – | 11164 |
| 2011-02-28 | 07:34 | 07:38 | 6 | C2.4 | – | 11164 |
| 2011-02-28 | 09:38 | 09:52 | 25 | C1.5 | – | 11164 |
| 2011-02-28 | 12:02 | 12:07 | 16 | C1.2 | – | 11164 |
| 2011-02-28 | 12:38 | 12:52 | 25 | M1.1 | – | 11164 |
| 2011-02-28 | 15:44 | 15:52 | 15 | C1.0 | – | 11164 |
| 2011-02-28 | 21:15 | 21:31 | 31 | C1.7 | – | 11164 |
| 2011-03-01 | 02:30 | 04:13 | 130 | C6.0 | – | 11164 |
| 2011-03-01 | 08:52 | 09:18 | 42 | C2.9 | – | 11164 |
| 2011-03-01 | 14:35 | 14:38 | 5 | C1.1 | – | 11164 |
| 2011-03-01 | 16:25 | 16:47 | 34 | C1.0 | – | 11164 |
| 2011-03-01 | 17:42 | 17:47 | 12 | C1.3 | – | 11164 |
| 2011-03-01 | 18:06 | 18:19 | 20 | C1.0 | – | 11164 |
| 2011-03-02 | 13:11 | 13:18 | 10 | C1.4 | – | 11164 |
| 2011-03-03 | 14:12 | 14:20 | 19 | C5.4 | – | 11164 |
| 2011-03-03 | 19:24 | 19:36 | 20 | C1.2 | – | 11164 |
| 2011-03-03 | 20:27 | 20:50 | 35 | C2.7 | – | 11164 |
| 2011-03-03 | 23:24 | 23:34 | 22 | C2.0 | – | 11164 |
| 2011-03-03 | 23:53 | 23:58 | 11 | C2.1 | – | 11164 |
| 2011-03-04 | 13:57 | 14:00 | 6 | C1.7 | – | 11164 |
| 2011-03-05 | 20:05 | 20:10 | 11 | C1.4 | – | 11164 |
| 2011-03-06 | 01:29 | 01:33 | 8 | C1.8 | – | 11164 |
| 2011-03-06 | 04:07 | 04:15 | 13 | C1.8 | – | 11164 |
| 2011-03-06 | 04:33 | 04:44 | 15 | C1.7 | – | 11164 |
| 2011-03-06 | 05:28 | 05:32 | 8 | C4.6 | – | 11164 |
| 2011-03-06 | 06:59 | 07:07 | 10 | C2.8 | – | 11164 |
| 2011-03-06 | 07:30 | 07:33 | 5 | C2.4 | – | 11164 |
| 2011-03-06 | 09:54 | 10:01 | 12 | C3.1 | – | 11164 |
| 2011-03-06 | 14:41 | 14:44 | 6 | C8.6 | – | 11164 |
| 2011-03-06 | 16:02 | 16:19 | 20 | C4.7 | – | 11164 |
| 2011-03-06 | 16:25 | 16:30 | 8 | C6.9 | – | 11164 |
| 2011-03-06 | 19:32 | 19:37 | 9 | C2.3 | – | 11164 |
| 2011-03-07 | 05:00 | 05:13 | 19 | M1.2 | – | 11164 |
| 2011-03-07 | 07:59 | 08:07 | 16 | M1.4 | – | 11164 |
| 2011-03-07 | 09:14 | 09:20 | 14 | M1.8 | – | 11164 |
| 2011-03-07 | 10:16 | 10:21 | 11 | C4.9 | – | 11164 |
| 2011-03-07 | 19:43 | 20:12 | 75 | M3.7 | – | 11164 |
| 2011-03-09 | 01:52 | 01:59 | 15 | C5.6 | – | 11164 |
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 11164 produced 43 C+ flares between 2011-02-25 and 2011-03-09.