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Solar flares in October 1997
C-class5
M-class0
X-class0
LargestC5.91997-10-28
Sunspot number33.6NOAA SWPC
Flares per day (C and above)
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1997-10-28 | 12:51 | 12:56 | 9 | C5.9 | S22E61 | 8100 |
| 1997-10-21 | 17:00 | 17:54 | 76 | C3.3 | N16E07 | 8097 |
| 1997-10-28 | 03:25 | 03:38 | 16 | C2.8 | S28E68 | 8100 |
| 1997-10-02 | 02:38 | 02:45 | 14 | C1.0 | S35E54 | 8090 |
| 1997-10-13 | 23:11 | 23:18 | 12 | C1.0 | N22W63 | 8094 |
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 1997November 1997 →
About this page
5 flares of class C or larger in October 1997; by M/X count it ranks 501 of 565 months.