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Solar flares from active region 3581
C5
M5
X0
LargestM2.61982-02-01
Span5 days
Flares by day
1
1
2
5
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1982-01-28 | 15:19 | 15:23 | 15 | C7.7 | N10E49 | 3581 |
| 1982-01-29 | 10:23 | 10:49 | 33 | M1.2 | – | 3581 |
| 1982-01-30 | 00:42 | 00:48 | 9 | M1.4 | N13E30 | 3581 |
| 1982-01-30 | 17:07 | 18:00 | 98 | M1.3 | N09E20 | 3581 |
| 1982-01-31 | 06:30 | 06:32 | 26 | C7.4 | N10E14 | 3581 |
| 1982-01-31 | 07:09 | 07:10 | 2 | C5.5 | N10E14 | 3581 |
| 1982-01-31 | 09:28 | 09:28 | 1 | C3.1 | – | 3581 |
| 1982-01-31 | 10:41 | 10:47 | 19 | C5.0 | – | 3581 |
| 1982-01-31 | 18:36 | 18:36 | 16 | M1.0 | N10E07 | 3581 |
| 1982-02-01 | 00:32 | 00:38 | 55 | M2.6 | N11E04 | 3581 |
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 3581 produced 10 C+ flares between 1982-01-28 and 1982-02-01.