Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 2717
C12
M4
X0
LargestM5.91980-10-07
Span10 days
Flares by day
6
2
1
2
1
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1980-10-07 | 02:04 | 02:05 | 8 | C1.9 | N15E65 | 2717 |
| 1980-10-07 | 14:21 | 14:32 | 174 | M1.1 | N13E49 | 2717 |
| 1980-10-07 | 15:02 | 15:12 | 21 | C5.4 | N18E51 | 2717 |
| 1980-10-07 | 16:02 | 16:08 | 29 | M1.0 | N19E57 | 2717 |
| 1980-10-07 | 21:20 | 23:08 | 109 | C6.9 | N16E54 | 2717 |
| 1980-10-07 | 23:05 | 23:12 | 14 | M5.9 | N14E51 | 2717 |
| 1980-10-08 | 11:23 | 11:57 | 70 | M1.0 | N13E41 | 2717 |
| 1980-10-08 | 15:33 | 15:37 | 45 | C8.0 | N16E38 | 2717 |
| 1980-10-09 | 02:31 | 02:42 | 40 | C4.8 | N10E34 | 2717 |
| 1980-10-10 | 01:23 | 01:27 | 19 | C3.0 | N15E30 | 2717 |
| 1980-10-10 | 03:01 | 03:10 | 60 | C3.8 | N14E21 | 2717 |
| 1980-10-12 | 15:19 | 15:23 | 21 | C8.7 | N15W07 | 2717 |
| 1980-10-13 | 06:18 | 06:21 | 18 | C4.4 | N14W16 | 2717 |
| 1980-10-13 | 20:18 | 20:34 | 45 | C5.4 | N15W23 | 2717 |
| 1980-10-15 | 15:47 | 15:52 | 13 | C6.9 | – | 2717 |
| 1980-10-16 | 07:49 | 07:54 | 12 | C7.1 | – | 2717 |
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 2717 produced 16 C+ flares between 1980-10-07 and 1980-10-16.