Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 1781
C13
M5
X3
LargestX0.21979-06-05
Span13 days
Flares by day
2
3
1
3
2
2
1
1
4
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1979-05-31 | 05:10 | 05:12 | 7 | C0.1 | N18E80 | 1781 |
| 1979-05-31 | 18:58 | 18:58 | 36 | C0.2 | N19E78 | 1781 |
| 1979-06-01 | 05:58 | 06:02 | 27 | C0.5 | N17E70 | 1781 |
| 1979-06-01 | 16:51 | 17:16 | 74 | C0.3 | N19E64 | 1781 |
| 1979-06-01 | 18:17 | 18:19 | 43 | C0.2 | N19E64 | 1781 |
| 1979-06-02 | 14:21 | 14:48 | 184 | M0.1 | N21E47 | 1781 |
| 1979-06-03 | 01:33 | – | 25 | C0.9 | N19E47 | 1781 |
| 1979-06-03 | 09:18 | 09:40 | 97 | M0.2 | N18E38 | 1781 |
| 1979-06-03 | 14:33 | 14:34 | 63 | M0.4 | N21E35 | 1781 |
| 1979-06-04 | 00:25 | 00:25 | 37 | C0.2 | N20E32 | 1781 |
| 1979-06-04 | 03:55 | 04:03 | 65 | X0.1 | N20E34 | 1781 |
| 1979-06-05 | 01:30 | 01:33 | 50 | M0.1 | N20E18 | 1781 |
| 1979-06-05 | 05:08 | 05:14 | 84 | X0.2 | N20E16 | 1781 |
| 1979-06-07 | 23:31 | 23:37 | 49 | C0.5 | N20W21 | 1781 |
| 1979-06-08 | 10:45 | 10:47 | 15 | C0.2 | N17W26 | 1781 |
| 1979-06-09 | 00:01 | 00:10 | 34 | M0.5 | N18W30 | 1781 |
| 1979-06-09 | 07:20 | 07:21 | 4 | C0.2 | N21W45 | 1781 |
| 1979-06-09 | 13:36 | 13:36 | 35 | C0.3 | N18W49 | 1781 |
| 1979-06-09 | 15:56 | 15:59 | 4 | C0.3 | N19W44 | 1781 |
| 1979-06-10 | 08:06 | 08:55 | 135 | X0.2 | N25W50 | 1781 |
| 1979-06-12 | 02:49 | 02:49 | 11 | C0.2 | N20W85 | 1781 |
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 1781 produced 21 C+ flares between 1979-05-31 and 1979-06-12.