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Solar flares from active region 3180
C24
M5
X0
LargestM5.71981-06-29
Span10 days
Flares by day
4
6
4
3
3
3
4
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-06-26 | 02:35 | 02:36 | 7 | C3.4 | S17E68 | 3180 |
| 1981-06-26 | 17:20 | 17:49 | 40 | C7.4 | S16E59 | 3180 |
| 1981-06-26 | 20:08 | 20:26 | 28 | C5.6 | S16E64 | 3180 |
| 1981-06-26 | 21:51 | 22:00 | 32 | C9.6 | S17E62 | 3180 |
| 1981-06-27 | 01:53 | 01:53 | 9 | C7.9 | S14E57 | 3180 |
| 1981-06-27 | 03:20 | 03:22 | 21 | C6.4 | S12E57 | 3180 |
| 1981-06-27 | 05:28 | 05:28 | 17 | C6.1 | S13E55 | 3180 |
| 1981-06-27 | 08:10 | 08:14 | 12 | C6.6 | – | 3180 |
| 1981-06-27 | 12:53 | 12:56 | 6 | M2.1 | – | 3180 |
| 1981-06-27 | 22:47 | 22:50 | 11 | C1.2 | S16E48 | 3180 |
| 1981-06-28 | 00:24 | 00:25 | 10 | C2.8 | S17E44 | 3180 |
| 1981-06-28 | 00:24 | 00:26 | 5 | C2.3 | – | 3180 |
| 1981-06-28 | 03:55 | 04:00 | 8 | M1.0 | – | 3180 |
| 1981-06-28 | 04:38 | 05:08 | 62 | C2.7 | S18E48 | 3180 |
| 1981-06-29 | 00:34 | 00:41 | 84 | M5.7 | S15E31 | 3180 |
| 1981-06-29 | 08:03 | 08:24 | 38 | C1.9 | S15E26 | 3180 |
| 1981-06-29 | 20:01 | 20:01 | 12 | C2.5 | S16E22 | 3180 |
| 1981-06-30 | 01:49 | 01:52 | 13 | C2.4 | S11E19 | 3180 |
| 1981-06-30 | 15:31 | 15:47 | 29 | C2.3 | – | 3180 |
| 1981-06-30 | 20:36 | 20:38 | 21 | C2.2 | S16E10 | 3180 |
| 1981-07-02 | 12:39 | 13:08 | 129 | M1.7 | S16W14 | 3180 |
| 1981-07-02 | 14:16 | 14:27 | 20 | C2.0 | – | 3180 |
| 1981-07-02 | 22:40 | 22:43 | 18 | C7.4 | S14W18 | 3180 |
| 1981-07-03 | 01:31 | 01:31 | 69 | M2.2 | S14W21 | 3180 |
| 1981-07-03 | 04:41 | 04:47 | 14 | C3.9 | S14W22 | 3180 |
| 1981-07-03 | 16:09 | 16:14 | 54 | C4.9 | S14W32 | 3180 |
| 1981-07-03 | 18:19 | 18:21 | 20 | C1.4 | S15W31 | 3180 |
| 1981-07-04 | 12:57 | 13:00 | 42 | C2.1 | S17W38 | 3180 |
| 1981-07-05 | 13:31 | 13:36 | 12 | C3.0 | S16W55 | 3180 |
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 3180 produced 29 C+ flares between 1981-06-26 and 1981-07-05.