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Solar flares from active region 2725
C20
M5
X1
LargestX3.31980-10-14
Span12 days
Flares by day
2
2
2
3
2
4
4
1
1
2
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1980-10-07 | 09:22 | 09:30 | 18 | M1.1 | S07E83 | 2725 |
| 1980-10-07 | 14:14 | 14:15 | 4 | M1.1 | S07E90 | 2725 |
| 1980-10-08 | 19:39 | 19:40 | 14 | C3.0 | S05E67 | 2725 |
| 1980-10-08 | 20:21 | 20:34 | 27 | M3.4 | – | 2725 |
| 1980-10-09 | 19:27 | 19:30 | 5 | C1.9 | – | 2725 |
| 1980-10-09 | 23:35 | 23:36 | 11 | C1.9 | S07E49 | 2725 |
| 1980-10-10 | 06:31 | 06:45 | 45 | C5.4 | S08E47 | 2725 |
| 1980-10-10 | 10:49 | 10:51 | 30 | M1.1 | S09E40 | 2725 |
| 1980-10-10 | 11:26 | 11:29 | 5 | C6.5 | S08E40 | 2725 |
| 1980-10-11 | 13:22 | 13:29 | 23 | C4.6 | – | 2725 |
| 1980-10-11 | 17:26 | 17:48 | 54 | C7.5 | S08E31 | 2725 |
| 1980-10-12 | 01:57 | 01:59 | 4 | C6.3 | S13E18 | 2725 |
| 1980-10-12 | 09:27 | 09:32 | 14 | C4.9 | S13E13 | 2725 |
| 1980-10-12 | 15:53 | 15:54 | 19 | C7.7 | S12E12 | 2725 |
| 1980-10-12 | 18:21 | 18:21 | 6 | C4.4 | S10E10 | 2725 |
| 1980-10-13 | 04:07 | 04:17 | 49 | M2.0 | S13E03 | 2725 |
| 1980-10-13 | 19:26 | 19:56 | 46 | C6.0 | S08W01 | 2725 |
| 1980-10-13 | 20:40 | 21:20 | 42 | C4.4 | S10E01 | 2725 |
| 1980-10-13 | 21:14 | 21:25 | 46 | C7.3 | – | 2725 |
| 1980-10-14 | 05:42 | 06:13 | 112 | X3.3 | S09W07 | 2725 |
| 1980-10-15 | 02:30 | 02:31 | 19 | C3.2 | S10W20 | 2725 |
| 1980-10-17 | 02:57 | 02:59 | 9 | C2.6 | S11W48 | 2725 |
| 1980-10-17 | 14:45 | 14:59 | 17 | C2.9 | S09W52 | 2725 |
| 1980-10-18 | 02:36 | 02:40 | 25 | C7.7 | S15W56 | 2725 |
| 1980-10-18 | 04:36 | 04:40 | 11 | C6.1 | – | 2725 |
| 1980-10-18 | 05:40 | 05:49 | 48 | C4.5 | – | 2725 |
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 2725 produced 26 C+ flares between 1980-10-07 and 1980-10-18.