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Solar flares in December 1985
C-class11
M-class0
X-class0
LargestC7.31985-12-12
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 1984 | 5 | 0 | 0 | C1.8 |
| December 1985 | 11 | 0 | 0 | C7.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1985-12-12 | 05:51 | 05:55 | 6 | C7.3 | – | – |
| 1985-12-12 | 20:48 | 20:57 | 11 | C2.7 | – | – |
| 1985-12-15 | 22:16 | 22:17 | 17 | C2.4 | S09E22 | 4709 |
| 1985-12-16 | 05:26 | 05:29 | 10 | C2.2 | S05E16 | 4709 |
| 1985-12-14 | 12:46 | 13:05 | 39 | C1.9 | N03E12 | 4708 |
| 1985-12-16 | 03:52 | 03:54 | 6 | C1.9 | S06E18 | 4709 |
| 1985-12-16 | 03:27 | 03:29 | 14 | C1.2 | S05E17 | 4709 |
| 1985-12-11 | 21:11 | 21:21 | 34 | C1.1 | N04E55 | 4708 |
| 1985-12-15 | 06:06 | 06:07 | 15 | C1.1 | N03E08 | 4708 |
| 1985-12-16 | 22:46 | 22:48 | 17 | C1.1 | S08E06 | 4709 |
| 1985-12-15 | 18:33 | 18:39 | 9 | C1.0 | – | – |
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
11 flares of class C or larger in December 1985; by M/X count it ranks 470 of 565 months.