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Solar flares from active region 3870
C27
M5
X0
LargestM2.01982-08-27
Span9 days
Flares by day
2
4
2
1
2
5
13
1
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1982-08-21 | 13:30 | 13:43 | 23 | C3.6 | N14E57 | 3870 |
| 1982-08-21 | 15:59 | 16:13 | 39 | C2.5 | N14E57 | 3870 |
| 1982-08-22 | 04:35 | 04:41 | 34 | C2.0 | N15E51 | 3870 |
| 1982-08-22 | 08:07 | 08:08 | 12 | C1.0 | N15E50 | 3870 |
| 1982-08-22 | 17:39 | 17:48 | 90 | C1.0 | N16E43 | 3870 |
| 1982-08-22 | 22:59 | 23:02 | 20 | C1.0 | N16E38 | 3870 |
| 1982-08-23 | 02:17 | 02:17 | 45 | C2.1 | N14E38 | 3870 |
| 1982-08-23 | 08:49 | 08:59 | 17 | C1.9 | – | 3870 |
| 1982-08-24 | 08:52 | 08:53 | 14 | C0.6 | N16E21 | 3870 |
| 1982-08-25 | 09:15 | 09:18 | 22 | C1.0 | N16E06 | 3870 |
| 1982-08-25 | 22:37 | 22:45 | 13 | C1.1 | N15E02 | 3870 |
| 1982-08-26 | 03:02 | 03:05 | 16 | C1.4 | N16W04 | 3870 |
| 1982-08-26 | 14:24 | 14:27 | 15 | C2.8 | N15W10 | 3870 |
| 1982-08-26 | 21:47 | 23:02 | 136 | C2.3 | N16W15 | 3870 |
| 1982-08-26 | 22:50 | 22:53 | 5 | C2.1 | – | 3870 |
| 1982-08-26 | 22:54 | 23:03 | 24 | M1.8 | – | 3870 |
| 1982-08-27 | 00:01 | 01:40 | 149 | C4.7 | N15W14 | 3870 |
| 1982-08-27 | 01:36 | 01:43 | 14 | M1.0 | – | 3870 |
| 1982-08-27 | 02:57 | 03:26 | 91 | M2.0 | N15W15 | 3870 |
| 1982-08-27 | 05:40 | 05:51 | 42 | M1.5 | N15W16 | 3870 |
| 1982-08-27 | 09:03 | 09:13 | 22 | M1.2 | N15W19 | 3870 |
| 1982-08-27 | 10:29 | 10:37 | 11 | C2.4 | N15W17 | 3870 |
| 1982-08-27 | 13:18 | 13:19 | 32 | C2.3 | N16W20 | 3870 |
| 1982-08-27 | 14:31 | 14:48 | 22 | C2.3 | N16W21 | 3870 |
| 1982-08-27 | 15:13 | 15:32 | 40 | C3.0 | N16W22 | 3870 |
| 1982-08-27 | 16:31 | 16:43 | 27 | C2.8 | N15W20 | 3870 |
| 1982-08-27 | 17:47 | 17:50 | 19 | C2.2 | – | 3870 |
| 1982-08-27 | 20:09 | 20:11 | 14 | C1.8 | N15W22 | 3870 |
| 1982-08-27 | 21:22 | 21:30 | 34 | C1.9 | N16W25 | 3870 |
| 1982-08-28 | 22:57 | 23:00 | 8 | C2.3 | N15W36 | 3870 |
| 1982-08-29 | 03:14 | 03:16 | 19 | C5.1 | N16W37 | 3870 |
| 1982-08-29 | 05:51 | 05:52 | 8 | C2.7 | N15W41 | 3870 |
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 3870 produced 32 C+ flares between 1982-08-21 and 1982-08-29.