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Solar flares in December 2008
C-class1
M-class0
X-class0
LargestC1.42008-12-11
Sunspot number1.3NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2007 | 12 | 0 | 0 | C8.3 |
| December 2008 | 1 | 0 | 0 | C1.4 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2008-12-11 | 09:22 | 09:25 | 5 | C1.4 | – | 11009 |
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
1 flares of class C or larger in December 2008; by M/X count it ranks 523 of 565 months.