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Solar flares from active region 3300
C21
M7
X0
LargestM8.11981-09-05
Span13 days
Flares by day
1
2
7
3
1
3
3
5
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-08-26 | 12:53 | 13:02 | 27 | C4.1 | – | 3300 |
| 1981-08-27 | 05:43 | 05:56 | 41 | M7.6 | S13E76 | 3300 |
| 1981-08-27 | 22:12 | 22:15 | 18 | C3.9 | S11E62 | 3300 |
| 1981-08-28 | 00:13 | 00:17 | 14 | C3.0 | S12E57 | 3300 |
| 1981-08-28 | 01:37 | 01:38 | 19 | C6.4 | S12E56 | 3300 |
| 1981-08-28 | 03:34 | 03:35 | 9 | C4.5 | S12E61 | 3300 |
| 1981-08-28 | 14:52 | 15:09 | 46 | M1.2 | S12E49 | 3300 |
| 1981-08-28 | 15:21 | 15:24 | 9 | C4.5 | – | 3300 |
| 1981-08-28 | 17:48 | 17:52 | 6 | C3.0 | – | 3300 |
| 1981-08-28 | 18:48 | 18:53 | 7 | M1.8 | S12E46 | 3300 |
| 1981-08-29 | 04:53 | 04:57 | 15 | C5.9 | S12E40 | 3300 |
| 1981-08-29 | 08:00 | 08:00 | 16 | C9.7 | S17E46 | 3300 |
| 1981-08-29 | 13:02 | 13:06 | 9 | C7.2 | – | 3300 |
| 1981-08-30 | 16:07 | 16:11 | 17 | C3.7 | S12E23 | 3300 |
| 1981-09-02 | 14:31 | 14:32 | 30 | C1.6 | S11W12 | 3300 |
| 1981-09-02 | 17:12 | 17:30 | 29 | C2.1 | – | 3300 |
| 1981-09-02 | 18:19 | 18:22 | 7 | C2.0 | – | 3300 |
| 1981-09-03 | 01:59 | 02:06 | 16 | C1.4 | – | 3300 |
| 1981-09-03 | 14:56 | 15:10 | 69 | C5.7 | S12W25 | 3300 |
| 1981-09-03 | 21:29 | 21:30 | 14 | C2.1 | S18W28 | 3300 |
| 1981-09-05 | 05:26 | 05:38 | 25 | C5.9 | S11W47 | 3300 |
| 1981-09-05 | 06:00 | 06:04 | 13 | C4.3 | S11W47 | 3300 |
| 1981-09-05 | 16:07 | 16:09 | 4 | C4.5 | S12W60 | 3300 |
| 1981-09-05 | 18:18 | 18:21 | 17 | M4.3 | S12W62 | 3300 |
| 1981-09-05 | 23:53 | 00:02 | 12 | M8.1 | S11W64 | 3300 |
| 1981-09-07 | 03:11 | 03:24 | 48 | M1.6 | S12W72 | 3300 |
| 1981-09-07 | 18:37 | 18:38 | 8 | C9.4 | S13W80 | 3300 |
| 1981-09-07 | 20:06 | 20:07 | 15 | M7.9 | S13W83 | 3300 |
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 3300 produced 28 C+ flares between 1981-08-26 and 1981-09-07.