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Solar flares in October 2005
C-class3
M-class0
X-class0
LargestC1.42005-10-05
Sunspot number13.0NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| October 2004 | 86 | 9 | 1 | X1.2 |
| October 2005 | 3 | 0 | 0 | C1.4 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2005-10-05 | 08:13 | 08:22 | 16 | C1.4 | – | 10813 |
| 2005-10-12 | 05:32 | 05:43 | 16 | C1.2 | – | 10814 |
| 2005-10-11 | 17:20 | 17:27 | 12 | C1.1 | – | 10814 |
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.
← September 2005November 2005 →
About this page
3 flares of class C or larger in October 2005; by M/X count it ranks 505 of 565 months.