Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 4711
C14
M3
X2
LargestX3.01986-02-04
Span9 days
Flares by day
1
2
2
3
6
3
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1986-02-02 | 19:46 | 19:46 | 75 | C3.0 | S10E49 | 4711 |
| 1986-02-03 | 17:36 | 18:05 | 60 | C1.0 | S09E28 | 4711 |
| 1986-02-03 | 20:37 | 20:40 | 123 | M2.3 | S09E26 | 4711 |
| 1986-02-04 | 06:49 | 06:50 | 24 | C1.9 | S07E22 | 4711 |
| 1986-02-04 | 07:35 | 07:40 | 62 | X3.0 | S03E21 | 4711 |
| 1986-02-05 | 00:51 | 00:52 | 22 | C3.9 | S06E11 | 4711 |
| 1986-02-05 | 09:39 | 09:42 | 15 | C1.9 | S04E06 | 4711 |
| 1986-02-05 | 12:37 | 12:53 | 84 | M3.0 | S07E06 | 4711 |
| 1986-02-06 | 02:12 | 02:20 | 34 | C1.8 | S04W04 | 4711 |
| 1986-02-06 | 03:35 | 03:40 | 20 | C1.9 | S08W06 | 4711 |
| 1986-02-06 | 05:31 | 05:33 | 10 | C1.7 | S07W02 | 4711 |
| 1986-02-06 | 06:18 | 06:25 | 95 | X1.7 | S04W06 | 4711 |
| 1986-02-06 | 19:19 | 19:20 | 23 | C1.6 | S12W12 | 4711 |
| 1986-02-06 | 21:26 | 21:29 | 10 | C1.2 | S11W10 | 4711 |
| 1986-02-07 | 03:26 | 03:32 | 19 | C2.2 | S10W16 | 4711 |
| 1986-02-07 | 10:11 | 10:29 | 74 | M5.2 | S10W20 | 4711 |
| 1986-02-07 | 23:26 | 23:28 | 12 | C1.1 | S08W27 | 4711 |
| 1986-02-10 | 11:47 | 11:55 | 48 | C3.4 | S06W66 | 4711 |
| 1986-02-10 | 16:02 | 16:34 | 41 | C1.8 | – | 4711 |
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 4711 produced 19 C+ flares between 1986-02-02 and 1986-02-10.