Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 9866
C12
M5
X0
LargestM5.72002-03-14
Span13 days
Flares by day
3
2
3
1
1
1
2
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2002-03-09 | 09:04 | 09:12 | 13 | C1.8 | S06E82 | 9866 |
| 2002-03-09 | 18:31 | 18:56 | 68 | M2.6 | S09E79 | 9866 |
| 2002-03-09 | 21:44 | 22:10 | 59 | M1.3 | S09E66 | 9866 |
| 2002-03-10 | 05:01 | 05:05 | 7 | C6.0 | S06E76 | 9866 |
| 2002-03-10 | 21:50 | 21:55 | 11 | C2.6 | S08E58 | 9866 |
| 2002-03-12 | 08:31 | 08:37 | 12 | C5.3 | S13E41 | 9866 |
| 2002-03-12 | 13:10 | 13:15 | 7 | C2.0 | S11E46 | 9866 |
| 2002-03-12 | 19:04 | 19:09 | 8 | C2.2 | S12E38 | 9866 |
| 2002-03-13 | 05:48 | 05:51 | 10 | C1.0 | S12E31 | 9866 |
| 2002-03-14 | 01:38 | 01:50 | 24 | M5.7 | S12E23 | 9866 |
| 2002-03-15 | 22:09 | 23:10 | 153 | M2.2 | S08W03 | 9866 |
| 2002-03-17 | 14:33 | 14:39 | 12 | C1.3 | S09W27 | 9866 |
| 2002-03-17 | 15:33 | 15:39 | 24 | C1.8 | S09W27 | 9866 |
| 2002-03-19 | 01:13 | 01:29 | 39 | C1.8 | S11W41 | 9866 |
| 2002-03-19 | 11:06 | 11:44 | 85 | M1.0 | S10W58 | 9866 |
| 2002-03-20 | 15:44 | 18:08 | 215 | C4.0 | – | 9866 |
| 2002-03-21 | 07:45 | 08:12 | 46 | C5.9 | S10W76 | 9866 |
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 9866 produced 17 C+ flares between 2002-03-09 and 2002-03-21.