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Solar flares from active region 2665
C17
M3
X0
LargestM3.41980-09-08
Span12 days
Flares by day
2
2
2
2
4
1
2
3
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1980-09-08 | 05:03 | 05:10 | 27 | M3.4 | N15E84 | 2665 |
| 1980-09-08 | 19:10 | 19:13 | 20 | M1.2 | N12E77 | 2665 |
| 1980-09-10 | 06:48 | 07:02 | 18 | C2.4 | N13E46 | 2665 |
| 1980-09-10 | 21:48 | 22:04 | 35 | M1.1 | N11E42 | 2665 |
| 1980-09-11 | 01:44 | 01:51 | 33 | C4.0 | N10E41 | 2665 |
| 1980-09-11 | 15:24 | 15:27 | 9 | C1.8 | N13E34 | 2665 |
| 1980-09-12 | 05:07 | 05:08 | 33 | C1.9 | N11E22 | 2665 |
| 1980-09-12 | 05:47 | 05:50 | 5 | C8.3 | N13E27 | 2665 |
| 1980-09-14 | 03:00 | 03:03 | 8 | C1.0 | N15W02 | 2665 |
| 1980-09-14 | 11:23 | 11:26 | 6 | C1.9 | – | 2665 |
| 1980-09-14 | 11:28 | 11:31 | 25 | C1.9 | N15W06 | 2665 |
| 1980-09-14 | 14:29 | 14:29 | 5 | C2.3 | N12W08 | 2665 |
| 1980-09-15 | 11:40 | 11:42 | 11 | C2.0 | N15W19 | 2665 |
| 1980-09-16 | 06:14 | 06:20 | 17 | C1.3 | – | 2665 |
| 1980-09-16 | 08:35 | 08:38 | 11 | C0.8 | N15W30 | 2665 |
| 1980-09-18 | 17:31 | 17:33 | 9 | C0.7 | N09W59 | 2665 |
| 1980-09-18 | 17:56 | 18:02 | 50 | C3.2 | N09W60 | 2665 |
| 1980-09-18 | 20:09 | 20:09 | 7 | C1.0 | N13W61 | 2665 |
| 1980-09-19 | 07:23 | 07:25 | 12 | C1.7 | N16W71 | 2665 |
| 1980-09-19 | 08:19 | 08:21 | 17 | C1.1 | N15W67 | 2665 |
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 2665 produced 20 C+ flares between 1980-09-08 and 1980-09-19.