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Solar flares from active region 6442
C6
M3
X0
LargestM1.81991-01-08
Span3 days
Flares by day
5
3
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1991-01-07 | 05:04 | 05:47 | 66 | C1.6 | S10W35 | 6442 |
| 1991-01-07 | 19:44 | 19:52 | 54 | C3.0 | S10W42 | 6442 |
| 1991-01-07 | 21:24 | 21:25 | 20 | C2.2 | S10W43 | 6442 |
| 1991-01-07 | 21:52 | 21:55 | 12 | C2.3 | S11W45 | 6442 |
| 1991-01-07 | 22:10 | 22:12 | 9 | C2.2 | S10W44 | 6442 |
| 1991-01-08 | 04:09 | 04:32 | 134 | M1.8 | S11W48 | 6442 |
| 1991-01-08 | 06:23 | 06:58 | 49 | M1.1 | S12W50 | 6442 |
| 1991-01-08 | 11:24 | 11:24 | 35 | M1.2 | S13W51 | 6442 |
| 1991-01-09 | 08:06 | 08:08 | 33 | C5.2 | S15W67 | 6442 |
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 6442 produced 9 C+ flares between 1991-01-07 and 1991-01-09.