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Solar flares from active region 2726
C12
M4
X0
LargestM8.71980-10-09
Span4 days
Flares by day
4
4
3
5
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1980-10-08 | 01:24 | 01:43 | 32 | M2.0 | S10E73 | 2726 |
| 1980-10-08 | 13:13 | 13:15 | 8 | C3.1 | S09E72 | 2726 |
| 1980-10-08 | 19:10 | 19:14 | 31 | C5.4 | S12E63 | 2726 |
| 1980-10-08 | 21:34 | 21:53 | 20 | C3.5 | S10E61 | 2726 |
| 1980-10-09 | 00:28 | 00:31 | 9 | C7.0 | – | 2726 |
| 1980-10-09 | 11:24 | 11:27 | 5 | M8.7 | S10E54 | 2726 |
| 1980-10-09 | 17:49 | 17:50 | 22 | C4.3 | S10E49 | 2726 |
| 1980-10-09 | 19:51 | 19:58 | 42 | M1.0 | S10E49 | 2726 |
| 1980-10-10 | 15:00 | 15:13 | 26 | C3.3 | S11E36 | 2726 |
| 1980-10-10 | 17:02 | 17:15 | 33 | C5.3 | S11E39 | 2726 |
| 1980-10-10 | 21:03 | 21:06 | 40 | C4.2 | S12E32 | 2726 |
| 1980-10-11 | 02:23 | 02:33 | 46 | C5.9 | S12E34 | 2726 |
| 1980-10-11 | 03:39 | 03:59 | 71 | M2.8 | S13E33 | 2726 |
| 1980-10-11 | 04:53 | 05:48 | 106 | C5.2 | S13E30 | 2726 |
| 1980-10-11 | 05:44 | 05:48 | 8 | C5.3 | – | 2726 |
| 1980-10-11 | 08:15 | 08:16 | 12 | C7.2 | S13E29 | 2726 |
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 2726 produced 16 C+ flares between 1980-10-08 and 1980-10-11.