Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 6131
C7
M3
X0
LargestM4.81990-07-04
Span12 days
Flares by day
1
3
2
1
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-06-27 | 19:30 | 19:31 | 11 | C2.2 | S21E66 | 6131 |
| 1990-06-30 | 00:58 | 01:01 | 11 | C3.9 | S20E40 | 6131 |
| 1990-06-30 | 16:24 | 16:30 | 24 | C2.5 | S22E28 | 6131 |
| 1990-06-30 | 18:10 | 18:12 | 15 | C3.1 | S23E32 | 6131 |
| 1990-07-01 | 01:14 | 01:26 | 17 | C4.1 | S20E30 | 6131 |
| 1990-07-01 | 01:41 | 01:43 | 28 | M1.0 | S22E27 | 6131 |
| 1990-07-04 | 17:31 | 17:39 | 50 | M4.8 | S22W22 | 6131 |
| 1990-07-08 | 00:03 | 00:04 | 5 | C3.0 | S21W62 | 6131 |
| 1990-07-08 | 00:36 | 00:48 | 32 | M1.1 | S21W70 | 6131 |
| 1990-07-08 | 12:42 | 12:43 | 12 | C3.2 | S21W72 | 6131 |
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 6131 produced 10 C+ flares between 1990-06-27 and 1990-07-08.