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Solar flares from active region 9961
C10
M2
X1
LargestX2.12002-05-20
Span8 days
Flares by day
1
7
1
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2002-05-19 | 17:04 | 17:11 | 12 | C2.2 | S22E76 | 9961 |
| 2002-05-20 | 07:29 | 08:05 | 45 | C3.9 | S23E74 | 9961 |
| 2002-05-20 | 10:14 | 10:29 | 20 | M4.7 | – | 9961 |
| 2002-05-20 | 10:49 | 10:53 | 7 | M5.0 | – | 9961 |
| 2002-05-20 | 15:21 | 15:27 | 10 | X2.1 | S21E65 | 9961 |
| 2002-05-20 | 18:15 | 18:20 | 10 | C4.1 | S23E67 | 9961 |
| 2002-05-20 | 19:46 | 19:51 | 10 | C1.8 | S24E70 | 9961 |
| 2002-05-20 | 20:17 | 20:24 | 20 | C3.0 | S21E62 | 9961 |
| 2002-05-21 | 01:39 | 01:44 | 9 | C2.2 | S24E58 | 9961 |
| 2002-05-22 | 15:39 | 15:47 | 16 | C2.5 | S23E44 | 9961 |
| 2002-05-22 | 20:48 | 20:54 | 11 | C2.4 | S23E40 | 9961 |
| 2002-05-25 | 16:25 | 17:21 | 113 | C1.7 | S18W13 | 9961 |
| 2002-05-26 | 13:53 | 13:56 | 5 | C4.4 | S23W11 | 9961 |
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 9961 produced 13 C+ flares between 2002-05-19 and 2002-05-26.