Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 3403
C43
M10
X0
LargestM3.11981-10-12
Span13 days
Flares by day
3
2
7
4
7
4
2
2
3
10
7
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-10-12 | 14:13 | 14:17 | 10 | C7.3 | – | 3403 |
| 1981-10-12 | 14:42 | 14:42 | 10 | M3.1 | S11E78 | 3403 |
| 1981-10-12 | 20:40 | 21:15 | 55 | M1.0 | S15E80 | 3403 |
| 1981-10-13 | 21:10 | 21:15 | 13 | C5.5 | S10E67 | 3403 |
| 1981-10-13 | 22:40 | 22:44 | 13 | M1.8 | S12E77 | 3403 |
| 1981-10-14 | 01:45 | 01:45 | 7 | C3.8 | S08E63 | 3403 |
| 1981-10-14 | 02:51 | 02:51 | 7 | C2.1 | S09E62 | 3403 |
| 1981-10-14 | 05:01 | 05:10 | 32 | C4.1 | S09E63 | 3403 |
| 1981-10-14 | 08:04 | 08:06 | 45 | C8.4 | S13E60 | 3403 |
| 1981-10-14 | 14:39 | 14:44 | 54 | M1.1 | S07E60 | 3403 |
| 1981-10-14 | 16:45 | 16:45 | 7 | C9.7 | S11E59 | 3403 |
| 1981-10-14 | 23:06 | 23:08 | 18 | C3.3 | S10E55 | 3403 |
| 1981-10-15 | 03:18 | 03:25 | 56 | M1.2 | S13E49 | 3403 |
| 1981-10-15 | 11:49 | 12:04 | 41 | C7.8 | S09E49 | 3403 |
| 1981-10-15 | 22:13 | 22:16 | 16 | C2.1 | S10E44 | 3403 |
| 1981-10-15 | 23:03 | 23:04 | 44 | C6.7 | S07E39 | 3403 |
| 1981-10-16 | 02:18 | 03:14 | 58 | C2.2 | S12E40 | 3403 |
| 1981-10-16 | 03:03 | 03:14 | 58 | C9.9 | S12E40 | 3403 |
| 1981-10-16 | 05:56 | 05:57 | 24 | C2.7 | S09E35 | 3403 |
| 1981-10-16 | 06:25 | 06:37 | 82 | M2.0 | S11E37 | 3403 |
| 1981-10-16 | 07:56 | 09:08 | 106 | C8.6 | S12E36 | 3403 |
| 1981-10-16 | 08:21 | 09:14 | 89 | M1.1 | – | 3403 |
| 1981-10-16 | 20:37 | 20:38 | 58 | C5.1 | S08E27 | 3403 |
| 1981-10-17 | 01:01 | 01:21 | 23 | C2.6 | – | 3403 |
| 1981-10-17 | 03:36 | 03:39 | 14 | C3.5 | S08E23 | 3403 |
| 1981-10-17 | 16:11 | 16:16 | 52 | C3.7 | S07E18 | 3403 |
| 1981-10-17 | 18:18 | 18:34 | 47 | C6.5 | S11E20 | 3403 |
| 1981-10-18 | 05:10 | 05:26 | 26 | C1.6 | – | 3403 |
| 1981-10-18 | 17:20 | 17:30 | 43 | C2.1 | S13E03 | 3403 |
| 1981-10-19 | 06:56 | 06:56 | 47 | C1.1 | S09W03 | 3403 |
| 1981-10-19 | 23:23 | 23:27 | 24 | C2.3 | S13W14 | 3403 |
| 1981-10-20 | 01:48 | 01:51 | 42 | C3.2 | S07W18 | 3403 |
| 1981-10-20 | 14:39 | 14:49 | 48 | M1.6 | S14W27 | 3403 |
| 1981-10-20 | 23:02 | 23:22 | 22 | C5.8 | S14W29 | 3403 |
| 1981-10-21 | 04:18 | 04:19 | 7 | C1.7 | S14W31 | 3403 |
| 1981-10-21 | 04:32 | 04:33 | 17 | C2.4 | S14W35 | 3403 |
| 1981-10-21 | 05:39 | 05:49 | 19 | C2.4 | S14W32 | 3403 |
| 1981-10-21 | 06:14 | 06:21 | 9 | M1.0 | S14W32 | 3403 |
| 1981-10-21 | 07:37 | 07:47 | 15 | C5.2 | – | 3403 |
| 1981-10-21 | 08:18 | 08:24 | 12 | C2.8 | S14W35 | 3403 |
| 1981-10-21 | 12:53 | 13:10 | 171 | C6.2 | S12W35 | 3403 |
| 1981-10-21 | 13:28 | 13:38 | 30 | M1.5 | – | 3403 |
| 1981-10-21 | 17:19 | 17:26 | 14 | C9.4 | S13W45 | 3403 |
| 1981-10-21 | 23:07 | 23:12 | 29 | C5.8 | S08W37 | 3403 |
| 1981-10-22 | 06:40 | 06:41 | 20 | C9.4 | S13W44 | 3403 |
| 1981-10-22 | 12:17 | 12:28 | 20 | C2.2 | – | 3403 |
| 1981-10-22 | 14:53 | 14:55 | 7 | C1.8 | – | 3403 |
| 1981-10-22 | 15:02 | 15:02 | 29 | C1.7 | S10W48 | 3403 |
| 1981-10-22 | 17:18 | 17:34 | 36 | C1.5 | S10W50 | 3403 |
| 1981-10-22 | 19:28 | 19:28 | 22 | C2.5 | S14W50 | 3403 |
| 1981-10-22 | 20:28 | 20:28 | 24 | C2.9 | S14W50 | 3403 |
| 1981-10-24 | 15:18 | 15:19 | 8 | C2.2 | S10W73 | 3403 |
| 1981-10-24 | 16:19 | 17:21 | 65 | C2.4 | – | 3403 |
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 3403 produced 53 C+ flares between 1981-10-12 and 1981-10-24.