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Solar flares in January 1987
C-class3
M-class0
X-class0
LargestC2.51987-01-22
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| January 1986 | 12 | 3 | 0 | M6.6 |
| January 1987 | 3 | 0 | 0 | C2.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1987-01-22 | 16:45 | 16:54 | 37 | C2.5 | S25W18 | 4765 |
| 1987-01-23 | 23:44 | 23:47 | 7 | C1.4 | S26W33 | 4765 |
| 1987-01-26 | 15:01 | 15:11 | 56 | C1.4 | S25W65 | 4765 |
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.
← December 1986February 1987 →
About this page
3 flares of class C or larger in January 1987; by M/X count it ranks 475 of 565 months.