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Solar flares from active region 4399
C26
M3
X0
LargestM2.91984-01-30
Span15 days
Flares by day
2
6
1
1
2
2
2
4
2
4
2
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1984-01-22 | 15:32 | 15:42 | 14 | C1.2 | – | 4399 |
| 1984-01-22 | 15:48 | 15:49 | 24 | C1.3 | N13E89 | 4399 |
| 1984-01-23 | 04:17 | 04:18 | 11 | C3.1 | N12E84 | 4399 |
| 1984-01-23 | 08:25 | 08:33 | 29 | C9.9 | N13E85 | 4399 |
| 1984-01-23 | 14:56 | 15:37 | 51 | C2.0 | N12E77 | 4399 |
| 1984-01-23 | 15:38 | 15:41 | 5 | C1.3 | – | 4399 |
| 1984-01-23 | 15:55 | 16:02 | 18 | C1.9 | N05E90 | 4399 |
| 1984-01-23 | 20:29 | 21:29 | 69 | C1.7 | N07E68 | 4399 |
| 1984-01-24 | 04:08 | 04:11 | 8 | C3.2 | N11E72 | 4399 |
| 1984-01-25 | 02:10 | 02:12 | 12 | C1.0 | N10E60 | 4399 |
| 1984-01-26 | 04:48 | 04:50 | 17 | C2.0 | N10E42 | 4399 |
| 1984-01-26 | 05:41 | 06:01 | 26 | C2.5 | N14E44 | 4399 |
| 1984-01-27 | 16:56 | 16:56 | 13 | C2.2 | N11E24 | 4399 |
| 1984-01-27 | 21:43 | 22:06 | 42 | C2.7 | N12E14 | 4399 |
| 1984-01-29 | 19:09 | 19:12 | 7 | C1.8 | – | 4399 |
| 1984-01-29 | 22:23 | 22:32 | 15 | C4.7 | – | 4399 |
| 1984-01-30 | 03:25 | 03:28 | 9 | C1.6 | – | 4399 |
| 1984-01-30 | 04:30 | 04:38 | 42 | M2.9 | N09W12 | 4399 |
| 1984-01-30 | 16:07 | 16:07 | 18 | C1.1 | N08W20 | 4399 |
| 1984-01-30 | 18:28 | 18:30 | 15 | C1.1 | N09W22 | 4399 |
| 1984-01-31 | 19:52 | 19:56 | 23 | C2.0 | N12W31 | 4399 |
| 1984-01-31 | 22:13 | 22:13 | 5 | C2.3 | N10W35 | 4399 |
| 1984-02-02 | 16:35 | 16:54 | 32 | C3.1 | N13W51 | 4399 |
| 1984-02-02 | 16:50 | 16:54 | 10 | C5.7 | N11W51 | 4399 |
| 1984-02-02 | 20:31 | 20:33 | 12 | C2.1 | N13W53 | 4399 |
| 1984-02-02 | 23:43 | 23:43 | 14 | C3.7 | N09W62 | 4399 |
| 1984-02-04 | 17:58 | 18:08 | 29 | M1.1 | N15W79 | 4399 |
| 1984-02-04 | 21:46 | 21:46 | 21 | M1.4 | N14W85 | 4399 |
| 1984-02-05 | 00:13 | 00:14 | 12 | C1.6 | N15W83 | 4399 |
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 4399 produced 29 C+ flares between 1984-01-22 and 1984-02-05.