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Solar flares from active region 11548
C15
M3
X0
LargestM2.02012-08-18
Span2 days
Flares by day
15
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2012-08-18 | 06:09 | 06:18 | 22 | C6.1 | N22E89 | 11548 |
| 2012-08-18 | 08:30 | 08:37 | 10 | C2.6 | N22E89 | 11548 |
| 2012-08-18 | 08:50 | 08:58 | 14 | C1.9 | N22E89 | 11548 |
| 2012-08-18 | 09:46 | 09:53 | 22 | C1.0 | N22E85 | 11548 |
| 2012-08-18 | 10:32 | 10:37 | 7 | C1.9 | N22E86 | 11548 |
| 2012-08-18 | 11:41 | 11:45 | 6 | C1.3 | N22E86 | 11548 |
| 2012-08-18 | 11:49 | 11:53 | 6 | C2.4 | N22E86 | 11548 |
| 2012-08-18 | 13:29 | 13:38 | 13 | C2.2 | N21E81 | 11548 |
| 2012-08-18 | 14:18 | 14:27 | 12 | C7.3 | N20E81 | 11548 |
| 2012-08-18 | 14:58 | 15:07 | 20 | C1.3 | N21E82 | 11548 |
| 2012-08-18 | 16:02 | 16:07 | 7 | M2.0 | N22E80 | 11548 |
| 2012-08-18 | 19:06 | 19:13 | 13 | C2.5 | N19E78 | 11548 |
| 2012-08-18 | 21:20 | 21:27 | 13 | C1.1 | N19E78 | 11548 |
| 2012-08-18 | 22:46 | 22:54 | 14 | M1.0 | N19E78 | 11548 |
| 2012-08-18 | 23:15 | 23:22 | 17 | M1.3 | N19E76 | 11548 |
| 2012-08-19 | 02:31 | 02:41 | 17 | C1.9 | N20E76 | 11548 |
| 2012-08-19 | 04:03 | 04:23 | 37 | C2.2 | N20E71 | 11548 |
| 2012-08-19 | 05:39 | 05:44 | 8 | C2.3 | N22E73 | 11548 |
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 11548 produced 18 C+ flares between 2012-08-18 and 2012-08-19.