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Solar flares from active region 11387
C11
M3
X0
LargestM4.02011-12-25
Span4 days
Flares by day
5
3
4
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2011-12-25 | 04:47 | 04:52 | 8 | C1.6 | – | 11387 |
| 2011-12-25 | 08:49 | 08:55 | 12 | C5.5 | – | 11387 |
| 2011-12-25 | 11:20 | 11:26 | 11 | C8.4 | – | 11387 |
| 2011-12-25 | 18:11 | 18:16 | 9 | M4.0 | – | 11387 |
| 2011-12-25 | 20:23 | 20:29 | 10 | C7.7 | – | 11387 |
| 2011-12-26 | 02:13 | 02:27 | 23 | M1.5 | – | 11387 |
| 2011-12-26 | 09:38 | 09:48 | 18 | C2.8 | – | 11387 |
| 2011-12-26 | 20:12 | 20:30 | 24 | M2.3 | – | 11387 |
| 2011-12-27 | 08:11 | 08:22 | 21 | C3.8 | – | 11387 |
| 2011-12-27 | 09:17 | 09:23 | 9 | C4.0 | – | 11387 |
| 2011-12-27 | 11:59 | 12:07 | 35 | C6.2 | – | 11387 |
| 2011-12-27 | 18:31 | 18:36 | 12 | C2.5 | – | 11387 |
| 2011-12-28 | 00:14 | 00:30 | 26 | C2.3 | – | 11387 |
| 2011-12-28 | 16:36 | 16:40 | 8 | C6.4 | – | 11387 |
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 11387 produced 14 C+ flares between 2011-12-25 and 2011-12-28.