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Solar flares from active region 3450
C9
M3
X0
LargestM3.01981-11-09
Span10 days
Flares by day
1
3
1
3
1
1
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-11-05 | 02:36 | 02:38 | 8 | C6.9 | S20E86 | 3450 |
| 1981-11-07 | 15:57 | 15:58 | 39 | C1.8 | S19E35 | 3450 |
| 1981-11-07 | 17:23 | 18:12 | 55 | C2.5 | S18E35 | 3450 |
| 1981-11-07 | 18:20 | 18:28 | 67 | C3.4 | S19E34 | 3450 |
| 1981-11-08 | 03:58 | 03:58 | 14 | M1.1 | S20E27 | 3450 |
| 1981-11-09 | 04:38 | 04:55 | 55 | M1.2 | S21E26 | 3450 |
| 1981-11-09 | 06:14 | 06:18 | 13 | C6.5 | S20E14 | 3450 |
| 1981-11-09 | 12:28 | 12:29 | 127 | M3.0 | S11E18 | 3450 |
| 1981-11-10 | 04:37 | 04:52 | 24 | C2.4 | – | 3450 |
| 1981-11-11 | 17:28 | 17:28 | 11 | C1.7 | S21W13 | 3450 |
| 1981-11-13 | 22:20 | 23:31 | 77 | C4.9 | S19W40 | 3450 |
| 1981-11-14 | 13:50 | 14:24 | 111 | C7.6 | S18W54 | 3450 |
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 3450 produced 12 C+ flares between 1981-11-05 and 1981-11-14.