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Solar flares from active region 2954
C6
M9
X1
LargestX2.31981-02-24
Span14 days
Flares by day
1
1
1
1
2
4
1
2
1
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-02-22 | 18:58 | 19:11 | 24 | C3.7 | – | 2954 |
| 1981-02-24 | 12:02 | 12:26 | 62 | X2.3 | – | 2954 |
| 1981-02-26 | 18:45 | 20:00 | 315 | M2.4 | S18E35 | 2954 |
| 1981-02-28 | 06:07 | 06:15 | 19 | C3.5 | S18E14 | 2954 |
| 1981-03-01 | 01:00 | 01:04 | 12 | C2.9 | S17W04 | 2954 |
| 1981-03-01 | 04:42 | 04:43 | 8 | C2.6 | S18W04 | 2954 |
| 1981-03-02 | 09:46 | 09:47 | 12 | C3.2 | S18W28 | 2954 |
| 1981-03-02 | 18:40 | 18:51 | 22 | M1.1 | S17W32 | 2954 |
| 1981-03-02 | 21:12 | 21:20 | 30 | M1.3 | S17W34 | 2954 |
| 1981-03-02 | 22:30 | 22:35 | 17 | M2.0 | S14W35 | 2954 |
| 1981-03-03 | 06:10 | 07:47 | 150 | M2.0 | – | 2954 |
| 1981-03-04 | 09:41 | 10:16 | 109 | M1.0 | – | 2954 |
| 1981-03-04 | 17:19 | 17:27 | 29 | M1.2 | S15W58 | 2954 |
| 1981-03-05 | 04:28 | 04:33 | 45 | C8.8 | S17W62 | 2954 |
| 1981-03-06 | 02:47 | 02:47 | 3 | M1.5 | S19W78 | 2954 |
| 1981-03-07 | 06:22 | 06:29 | 68 | M2.0 | S21W78 | 2954 |
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 2954 produced 16 C+ flares between 1981-02-22 and 1981-03-07.