Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 3492
C24
M3
X0
LargestM4.51981-12-09
Span14 days
Flares by day
1
1
1
4
1
4
4
6
2
1
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-12-03 | 23:16 | 23:25 | 9 | C2.8 | N16E61 | 3492 |
| 1981-12-04 | 06:32 | 06:35 | 21 | C3.1 | N18E58 | 3492 |
| 1981-12-05 | 00:20 | 00:33 | 30 | C4.0 | – | 3492 |
| 1981-12-06 | 08:20 | 08:24 | 4 | C1.9 | N18E35 | 3492 |
| 1981-12-06 | 14:51 | 14:51 | 7 | C2.6 | N19E30 | 3492 |
| 1981-12-06 | 16:00 | 16:01 | 6 | C1.7 | N18E27 | 3492 |
| 1981-12-06 | 19:56 | 19:59 | 29 | C4.0 | N17E23 | 3492 |
| 1981-12-07 | 01:46 | 01:58 | 52 | C4.0 | N14E21 | 3492 |
| 1981-12-09 | 03:27 | 03:45 | 99 | M4.5 | N20W06 | 3492 |
| 1981-12-09 | 14:53 | 15:07 | 27 | C6.0 | – | 3492 |
| 1981-12-09 | 17:08 | 17:10 | 49 | C5.3 | N18W13 | 3492 |
| 1981-12-09 | 18:18 | 18:26 | 23 | C2.8 | N17W12 | 3492 |
| 1981-12-10 | 13:38 | 13:39 | 4 | C1.9 | – | 3492 |
| 1981-12-10 | 15:32 | 15:32 | 15 | C3.4 | N18W26 | 3492 |
| 1981-12-10 | 18:05 | 18:19 | 131 | C2.9 | N20W27 | 3492 |
| 1981-12-10 | 21:07 | 21:50 | 98 | C5.7 | N18W28 | 3492 |
| 1981-12-11 | 00:10 | 00:15 | 17 | C1.8 | N19W31 | 3492 |
| 1981-12-11 | 01:07 | 01:08 | 15 | C1.3 | N17W32 | 3492 |
| 1981-12-11 | 01:33 | 02:00 | 29 | C1.3 | N19W32 | 3492 |
| 1981-12-11 | 02:26 | 02:28 | 22 | C1.6 | N19W32 | 3492 |
| 1981-12-11 | 03:04 | 03:07 | 20 | C3.3 | N19W32 | 3492 |
| 1981-12-11 | 07:27 | 07:29 | 42 | C2.2 | N21W34 | 3492 |
| 1981-12-12 | 00:26 | 00:28 | 9 | C1.4 | – | 3492 |
| 1981-12-12 | 04:17 | 04:23 | 23 | C3.0 | N20W45 | 3492 |
| 1981-12-13 | 21:29 | 21:29 | 13 | M1.8 | N20W68 | 3492 |
| 1981-12-15 | 19:45 | 19:48 | 8 | M3.5 | N18W90 | 3492 |
| 1981-12-16 | 16:16 | 16:21 | 15 | C7.2 | – | 3492 |
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 3492 produced 27 C+ flares between 1981-12-03 and 1981-12-16.