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Solar flares from active region 6424
C7
M3
X0
LargestM4.01990-12-30
Span6 days
Flares by day
1
2
7
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-12-25 | 14:28 | 14:30 | 8 | C3.3 | S10E24 | 6424 |
| 1990-12-28 | 07:29 | 07:35 | 43 | C3.2 | S11W13 | 6424 |
| 1990-12-28 | 17:43 | 17:45 | 10 | C1.4 | S14W13 | 6424 |
| 1990-12-30 | 09:21 | 09:23 | 35 | C2.0 | S11W39 | 6424 |
| 1990-12-30 | 10:41 | 10:42 | 12 | C1.9 | S09W42 | 6424 |
| 1990-12-30 | 11:44 | 11:45 | 20 | C5.5 | S10W43 | 6424 |
| 1990-12-30 | 12:08 | 12:10 | 41 | C2.6 | S12W41 | 6424 |
| 1990-12-30 | 13:13 | 13:19 | 14 | M1.7 | S07W43 | 6424 |
| 1990-12-30 | 14:47 | 15:14 | 56 | M4.0 | S09W45 | 6424 |
| 1990-12-30 | 18:29 | 18:30 | 14 | M1.2 | S09W47 | 6424 |
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 6424 produced 10 C+ flares between 1990-12-25 and 1990-12-30.