Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 3203
C22
M12
X0
LargestM5.11981-07-15
Span11 days
Flares by day
2
3
1
9
9
4
4
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-07-09 | 12:23 | 13:11 | 97 | C2.0 | S09E75 | 3203 |
| 1981-07-09 | 12:59 | 13:10 | 30 | M2.1 | – | 3203 |
| 1981-07-10 | 05:29 | 05:49 | 36 | C1.8 | – | 3203 |
| 1981-07-10 | 13:16 | 13:24 | 23 | C2.0 | S10E57 | 3203 |
| 1981-07-10 | 15:18 | 15:19 | 17 | M1.8 | S09E61 | 3203 |
| 1981-07-12 | 10:13 | 10:16 | 103 | C7.5 | S08E40 | 3203 |
| 1981-07-15 | 01:50 | 02:02 | 35 | C2.3 | S09W03 | 3203 |
| 1981-07-15 | 03:54 | 04:02 | 51 | M1.9 | S10W03 | 3203 |
| 1981-07-15 | 05:42 | 05:43 | 29 | C1.4 | S07W08 | 3203 |
| 1981-07-15 | 07:03 | 07:32 | 48 | C1.0 | S07W10 | 3203 |
| 1981-07-15 | 07:28 | 07:35 | 13 | C2.9 | – | 3203 |
| 1981-07-15 | 08:01 | 08:18 | 68 | M5.1 | S10W07 | 3203 |
| 1981-07-15 | 14:57 | 15:06 | 43 | C6.3 | S07W14 | 3203 |
| 1981-07-15 | 16:42 | 16:47 | 78 | M2.5 | S08W12 | 3203 |
| 1981-07-15 | 21:58 | 22:00 | 56 | C8.6 | S08W18 | 3203 |
| 1981-07-16 | 02:39 | 02:42 | 15 | C1.5 | S09W17 | 3203 |
| 1981-07-16 | 04:05 | 04:20 | 32 | C7.5 | S07W18 | 3203 |
| 1981-07-16 | 06:34 | 06:42 | 72 | M1.8 | S09W19 | 3203 |
| 1981-07-16 | 10:15 | 10:20 | 22 | M3.4 | S05W25 | 3203 |
| 1981-07-16 | 13:57 | 14:05 | 22 | C1.1 | – | 3203 |
| 1981-07-16 | 15:10 | 15:20 | 43 | C2.2 | S06W29 | 3203 |
| 1981-07-16 | 16:07 | 16:12 | 46 | M1.4 | S08W26 | 3203 |
| 1981-07-16 | 19:34 | 19:46 | 54 | M1.9 | S09W25 | 3203 |
| 1981-07-16 | 21:08 | 21:09 | 41 | C6.1 | S09W28 | 3203 |
| 1981-07-17 | 01:48 | 01:53 | 72 | M4.1 | S09W30 | 3203 |
| 1981-07-17 | 12:09 | 12:30 | 77 | M3.7 | S08E37 | 3203 |
| 1981-07-17 | 17:03 | 17:03 | 59 | M1.6 | S08W41 | 3203 |
| 1981-07-17 | 23:07 | 23:19 | 22 | C2.1 | S08W49 | 3203 |
| 1981-07-18 | 00:30 | 00:35 | 60 | C7.1 | S06W45 | 3203 |
| 1981-07-18 | 16:38 | 16:40 | 37 | C6.6 | S10W59 | 3203 |
| 1981-07-18 | 17:35 | 17:37 | 37 | C9.8 | S10W58 | 3203 |
| 1981-07-18 | 22:52 | 22:52 | 21 | C5.1 | S08W61 | 3203 |
| 1981-07-19 | 00:09 | 00:17 | 37 | C5.0 | S08W65 | 3203 |
| 1981-07-19 | 18:30 | 18:52 | 36 | C3.0 | S08W71 | 3203 |
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 3203 produced 34 C+ flares between 1981-07-09 and 1981-07-19.