Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 9390
C7
M3
X0
LargestM1.72001-03-24
Span8 days
Flares by day
2
1
2
1
2
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2001-03-20 | 14:19 | 14:24 | 19 | M1.1 | N14E76 | 9390 |
| 2001-03-20 | 22:46 | 22:54 | 16 | C8.8 | – | 9390 |
| 2001-03-22 | 13:12 | 13:19 | 22 | M1.0 | N13E49 | 9390 |
| 2001-03-23 | 03:50 | 04:08 | 26 | C2.8 | N17E43 | 9390 |
| 2001-03-23 | 20:34 | 20:44 | 15 | C2.1 | – | 9390 |
| 2001-03-24 | 19:35 | 19:55 | 72 | M1.7 | N15E22 | 9390 |
| 2001-03-25 | 05:32 | 05:40 | 18 | C3.4 | N15E14 | 9390 |
| 2001-03-25 | 20:48 | 20:54 | 12 | C4.1 | N15E07 | 9390 |
| 2001-03-27 | 00:47 | 00:55 | 20 | C4.2 | N16W11 | 9390 |
| 2001-03-27 | 19:10 | 19:18 | 20 | C5.6 | N16W18 | 9390 |
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 9390 produced 10 C+ flares between 2001-03-20 and 2001-03-27.