Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 1561
C1
M3
X0
LargestM0.21979-02-12
Span2 days
Flares by day
1
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1979-02-12 | 19:48 | 19:56 | 43 | M0.2 | S34E15 | 1561 |
| 1979-02-13 | 00:35 | – | 25 | C0.5 | S35E20 | 1561 |
| 1979-02-13 | 04:45 | 04:52 | 20 | M0.2 | S36E14 | 1561 |
| 1979-02-13 | 17:09 | 17:12 | 20 | M0.1 | N14W58 | 1561 |
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 1561 produced 4 C+ flares between 1979-02-12 and 1979-02-13.