Home › Flare history › Region ranking
Solar flares from active region 11302
C33
M17
X2
LargestX1.92011-09-24
Span15 days
Flares by day
1
3
3
7
7
9
4
4
1
2
2
5
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2011-09-21 | 12:04 | 12:23 | 41 | M1.8 | – | 11302 |
| 2011-09-22 | 08:49 | 09:05 | 20 | C8.9 | – | 11302 |
| 2011-09-22 | 09:53 | 10:00 | 16 | M1.1 | – | 11302 |
| 2011-09-22 | 10:29 | 11:01 | 75 | X1.4 | – | 11302 |
| 2011-09-23 | 15:01 | 15:06 | 7 | C2.1 | – | 11302 |
| 2011-09-23 | 19:06 | 19:11 | 10 | C3.4 | – | 11302 |
| 2011-09-23 | 23:48 | 23:56 | 16 | M1.9 | – | 11302 |
| 2011-09-24 | 09:21 | 09:40 | 27 | X1.9 | – | 11302 |
| 2011-09-24 | 11:25 | 11:31 | 12 | C2.7 | – | 11302 |
| 2011-09-24 | 12:33 | 13:20 | 97 | M7.1 | – | 11302 |
| 2011-09-24 | 17:19 | 17:25 | 12 | M3.1 | – | 11302 |
| 2011-09-24 | 17:59 | 18:15 | 25 | M2.8 | – | 11302 |
| 2011-09-24 | 19:09 | 19:21 | 32 | M3.0 | – | 11302 |
| 2011-09-24 | 20:29 | 20:36 | 13 | M5.8 | – | 11302 |
| 2011-09-25 | 02:27 | 02:33 | 10 | M4.4 | – | 11302 |
| 2011-09-25 | 03:27 | 03:32 | 11 | C7.9 | – | 11302 |
| 2011-09-25 | 04:31 | 04:50 | 34 | M7.4 | – | 11302 |
| 2011-09-25 | 08:46 | 08:49 | 6 | M3.1 | – | 11302 |
| 2011-09-25 | 11:26 | 11:29 | 8 | C5.7 | – | 11302 |
| 2011-09-25 | 15:26 | 15:33 | 12 | M3.7 | – | 11302 |
| 2011-09-25 | 16:51 | 16:58 | 18 | M2.2 | – | 11302 |
| 2011-09-26 | 00:35 | 00:47 | 23 | C5.2 | – | 11302 |
| 2011-09-26 | 05:06 | 05:08 | 7 | M4.0 | – | 11302 |
| 2011-09-26 | 07:28 | 07:32 | 10 | C4.7 | – | 11302 |
| 2011-09-26 | 07:45 | 07:50 | 7 | C8.8 | – | 11302 |
| 2011-09-26 | 09:40 | 09:43 | 6 | C3.3 | – | 11302 |
| 2011-09-26 | 13:26 | 13:40 | 31 | C5.1 | – | 11302 |
| 2011-09-26 | 14:37 | 14:46 | 25 | M2.6 | – | 11302 |
| 2011-09-26 | 16:43 | 16:55 | 23 | C4.8 | – | 11302 |
| 2011-09-26 | 20:04 | 20:07 | 5 | C1.8 | – | 11302 |
| 2011-09-27 | 07:40 | 07:47 | 14 | C3.3 | – | 11302 |
| 2011-09-27 | 08:05 | 08:13 | 16 | C2.4 | – | 11302 |
| 2011-09-27 | 18:05 | 18:10 | 17 | C1.1 | – | 11302 |
| 2011-09-27 | 20:44 | 20:58 | 27 | C6.4 | – | 11302 |
| 2011-09-28 | 02:36 | 02:44 | 14 | C2.0 | – | 11302 |
| 2011-09-28 | 08:20 | 08:24 | 7 | C1.4 | – | 11302 |
| 2011-09-28 | 12:26 | 12:32 | 12 | C9.3 | – | 11302 |
| 2011-09-28 | 13:24 | 13:28 | 6 | M1.2 | – | 11302 |
| 2011-09-29 | 12:07 | 12:47 | 70 | C2.7 | – | 11302 |
| 2011-09-30 | 02:46 | 02:52 | 12 | C1.0 | – | 11302 |
| 2011-09-30 | 20:37 | 20:42 | 11 | C1.1 | – | 11302 |
| 2011-10-01 | 04:44 | 04:50 | 9 | C4.1 | – | 11302 |
| 2011-10-01 | 12:35 | 12:39 | 7 | C1.0 | – | 11302 |
| 2011-10-02 | 03:10 | 03:49 | 63 | C1.5 | – | 11302 |
| 2011-10-02 | 06:26 | 06:34 | 20 | C2.4 | – | 11302 |
| 2011-10-02 | 15:07 | 15:11 | 7 | C2.6 | – | 11302 |
| 2011-10-02 | 16:50 | 16:55 | 10 | C1.3 | – | 11302 |
| 2011-10-02 | 17:19 | 17:23 | 7 | M1.3 | – | 11302 |
| 2011-10-03 | 00:20 | 00:30 | 34 | C7.6 | – | 11302 |
| 2011-10-03 | 02:34 | 02:44 | 19 | C2.1 | – | 11302 |
| 2011-10-04 | 08:56 | 09:23 | 66 | C7.3 | – | 11302 |
| 2011-10-05 | 00:11 | 00:25 | 53 | C2.3 | – | 11302 |
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 11302 produced 52 C+ flares between 2011-09-21 and 2011-10-05.