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Solar flares from active region 6972
C12
M3
X0
LargestM1.61991-12-16
Span9 days
Flares by day
4
4
2
1
1
1
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1991-12-15 | 02:01 | 02:06 | 16 | C3.5 | S12E83 | 6972 |
| 1991-12-15 | 11:38 | 11:42 | 14 | C8.6 | S10E78 | 6972 |
| 1991-12-15 | 13:57 | 13:57 | 10 | C6.0 | S12E76 | 6972 |
| 1991-12-15 | 18:29 | 18:32 | 13 | M1.4 | S08E77 | 6972 |
| 1991-12-16 | 03:13 | 03:13 | 11 | C7.8 | S10E69 | 6972 |
| 1991-12-16 | 04:47 | 04:48 | 11 | C7.4 | S12E70 | 6972 |
| 1991-12-16 | 06:34 | 06:40 | 25 | M1.6 | S12E68 | 6972 |
| 1991-12-16 | 22:05 | 22:06 | 6 | C7.4 | S10E58 | 6972 |
| 1991-12-17 | 17:16 | 17:17 | 22 | C3.8 | S11E50 | 6972 |
| 1991-12-17 | 21:55 | 21:55 | 21 | C5.5 | S12E48 | 6972 |
| 1991-12-18 | 13:31 | 13:38 | 46 | C4.8 | S11E32 | 6972 |
| 1991-12-19 | 07:47 | 07:54 | 105 | M1.5 | S11E30 | 6972 |
| 1991-12-20 | 10:42 | 10:46 | 53 | C7.3 | S12E10 | 6972 |
| 1991-12-21 | 15:05 | 15:08 | 51 | C7.5 | S12W06 | 6972 |
| 1991-12-23 | 17:40 | 17:40 | 4 | C5.1 | S11W33 | 6972 |
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 6972 produced 15 C+ flares between 1991-12-15 and 1991-12-23.