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Solar flares from active region 4227
C12
M6
X0
LargestM7.01983-06-26
Span11 days
Flares by day
1
3
2
2
3
1
1
1
2
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1983-06-25 | 20:51 | 20:52 | 27 | M4.0 | S07E89 | 4227 |
| 1983-06-26 | 04:36 | 04:53 | 27 | M5.5 | S12E90 | 4227 |
| 1983-06-26 | 13:31 | 13:35 | 13 | C1.1 | S07E78 | 4227 |
| 1983-06-26 | 14:07 | 14:12 | 65 | M7.0 | S13E76 | 4227 |
| 1983-06-27 | 18:47 | 19:13 | 59 | C2.2 | S12E61 | 4227 |
| 1983-06-27 | 21:06 | 21:12 | 9 | C1.0 | S10E58 | 4227 |
| 1983-06-28 | 01:25 | 01:31 | 38 | C5.6 | S09E54 | 4227 |
| 1983-06-28 | 02:48 | 02:54 | 35 | M1.2 | S08E58 | 4227 |
| 1983-06-29 | 03:58 | 04:02 | 19 | C1.8 | S07E41 | 4227 |
| 1983-06-29 | 12:47 | 12:52 | 34 | C1.4 | S11E38 | 4227 |
| 1983-06-29 | 23:42 | 23:49 | 33 | M1.2 | S11E32 | 4227 |
| 1983-06-30 | 18:10 | 18:17 | 40 | C4.4 | S11E21 | 4227 |
| 1983-07-01 | 13:32 | 13:36 | 68 | M1.7 | S10E10 | 4227 |
| 1983-07-02 | 06:14 | 06:17 | 28 | C1.0 | S11E02 | 4227 |
| 1983-07-03 | 03:12 | 03:15 | 19 | C1.9 | S10W10 | 4227 |
| 1983-07-03 | 07:48 | 07:51 | 31 | C1.8 | S08W13 | 4227 |
| 1983-07-05 | 02:46 | 02:47 | 9 | C1.1 | S08W35 | 4227 |
| 1983-07-05 | 03:44 | 04:13 | 46 | C1.0 | S08W35 | 4227 |
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 4227 produced 18 C+ flares between 1983-06-25 and 1983-07-05.