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Solar flares from active region 2926
C8
M4
X0
LargestM2.31981-02-07
Span5 days
Flares by day
5
5
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-02-06 | 07:48 | 07:51 | 12 | C2.0 | – | 2926 |
| 1981-02-06 | 12:08 | 13:07 | 97 | M1.3 | S15W34 | 2926 |
| 1981-02-06 | 13:58 | 14:05 | 48 | C5.7 | S14W33 | 2926 |
| 1981-02-06 | 15:49 | 15:56 | 11 | C2.0 | S14W33 | 2926 |
| 1981-02-06 | 21:22 | 21:27 | 15 | M2.2 | – | 2926 |
| 1981-02-07 | 00:28 | 00:00 | 4 | C2.5 | S15W39 | 2926 |
| 1981-02-07 | 03:33 | 03:34 | 8 | C7.9 | S16W41 | 2926 |
| 1981-02-07 | 13:41 | 13:44 | 5 | M2.3 | – | 2926 |
| 1981-02-07 | 13:55 | 13:55 | 17 | C4.5 | S15W46 | 2926 |
| 1981-02-07 | 15:35 | 15:35 | 11 | C2.7 | S15W46 | 2926 |
| 1981-02-08 | 13:50 | 13:50 | 28 | C2.3 | S13W70 | 2926 |
| 1981-02-10 | 03:19 | 03:21 | 11 | M1.2 | S14W84 | 2926 |
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 2926 produced 12 C+ flares between 1981-02-06 and 1981-02-10.