Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 3106
C24
M2
X2
LargestX1.51981-05-13
Span11 days
Flares by day
1
2
3
1
3
3
3
1
7
2
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-05-10 | 12:08 | 12:56 | 112 | M3.5 | – | 3106 |
| 1981-05-11 | 00:18 | 00:18 | 4 | C3.0 | N10E89 | 3106 |
| 1981-05-11 | 12:23 | 12:25 | 12 | C2.2 | N13E75 | 3106 |
| 1981-05-12 | 01:36 | 01:36 | 13 | C5.8 | N15E88 | 3106 |
| 1981-05-12 | 19:47 | 19:51 | 19 | C1.9 | N11E59 | 3106 |
| 1981-05-12 | 20:55 | 21:08 | 33 | C1.9 | N11E57 | 3106 |
| 1981-05-13 | 03:40 | 04:28 | 150 | X1.5 | N11E58 | 3106 |
| 1981-05-14 | 08:36 | 08:56 | 58 | M2.8 | – | 3106 |
| 1981-05-14 | 14:20 | 14:25 | 33 | C5.0 | N10E33 | 3106 |
| 1981-05-14 | 19:31 | 19:46 | 78 | C5.4 | N10E31 | 3106 |
| 1981-05-15 | 07:39 | 07:58 | 54 | C6.1 | N11E25 | 3106 |
| 1981-05-15 | 18:30 | 18:31 | 35 | C4.4 | N13E19 | 3106 |
| 1981-05-15 | 18:54 | 18:58 | 12 | C3.2 | – | 3106 |
| 1981-05-16 | 00:23 | 00:27 | 14 | C7.7 | N10E14 | 3106 |
| 1981-05-16 | 08:06 | 08:46 | 70 | X1.1 | N14E14 | 3106 |
| 1981-05-16 | 16:29 | 16:29 | 19 | C3.0 | N10E06 | 3106 |
| 1981-05-17 | 19:44 | 19:48 | 52 | C4.2 | N02E20 | 3106 |
| 1981-05-18 | 02:49 | 02:52 | 18 | C2.2 | N11W15 | 3106 |
| 1981-05-18 | 06:51 | 06:52 | 17 | C1.0 | N10W19 | 3106 |
| 1981-05-18 | 14:50 | 14:56 | 21 | C4.8 | N11W20 | 3106 |
| 1981-05-18 | 16:43 | 17:11 | 43 | C2.1 | N14W18 | 3106 |
| 1981-05-18 | 17:38 | 17:41 | 14 | C2.0 | – | 3106 |
| 1981-05-18 | 18:25 | 18:30 | 137 | C6.4 | N14W19 | 3106 |
| 1981-05-18 | 21:53 | 21:53 | 5 | C1.0 | N10W20 | 3106 |
| 1981-05-19 | 15:59 | 16:46 | 67 | C2.1 | N12W34 | 3106 |
| 1981-05-19 | 18:58 | 19:17 | 30 | C1.9 | N14W32 | 3106 |
| 1981-05-20 | 02:42 | 02:59 | 66 | C9.9 | N12W45 | 3106 |
| 1981-05-20 | 08:14 | 08:16 | 8 | C1.7 | N11W47 | 3106 |
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 3106 produced 28 C+ flares between 1981-05-10 and 1981-05-20.