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Solar flares in February 2005
C-class30
M-class1
X-class0
LargestM3.32005-02-19
Sunspot number45.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| February 2004 | 53 | 2 | 1 | X1.1 |
| February 2005 | 30 | 1 | 0 | M3.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2005-02-19 | 10:36 | 11:01 | 37 | M3.3 | N12W90 | 10732 |
| 2005-02-04 | 23:45 | 23:57 | 23 | C7.1 | N15E90 | 10732 |
| 2005-02-16 | 23:29 | 23:38 | 24 | C4.9 | S03W24 | 10734 |
| 2005-02-07 | 22:36 | 22:44 | 17 | C3.7 | S06E78 | 10733 |
| 2005-02-13 | 10:28 | 10:40 | 23 | C2.7 | S11E09 | 10733 |
| 2005-02-23 | 09:31 | 09:34 | 5 | C2.6 | N14W90 | 10736 |
| 2005-02-17 | 23:39 | 23:44 | 9 | C2.3 | N15W90 | 10732 |
| 2005-02-18 | 12:52 | 13:22 | 36 | C2.0 | N13W90 | 10732 |
| 2005-02-08 | 15:19 | 15:27 | 14 | C1.9 | S06E70 | 10733 |
| 2005-02-14 | 03:58 | 04:08 | 24 | C1.9 | S03E13 | 10734 |
| 2005-02-16 | 16:33 | 16:37 | 7 | C1.9 | S10E01 | 10735 |
| 2005-02-07 | 09:45 | 09:51 | 11 | C1.8 | S06E82 | 10733 |
| 2005-02-07 | 17:20 | 17:30 | 16 | C1.8 | S06E80 | 10733 |
| 2005-02-10 | 00:07 | 00:10 | 8 | C1.7 | S09E81 | 10734 |
| 2005-02-14 | 11:52 | 11:58 | 14 | C1.5 | S11W05 | 10733 |
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
31 flares of class C or larger in February 2005; by M/X count it ranks 429 of 565 months.