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Solar flares in August 1997
C-class21
M-class1
X-class0
LargestM1.41997-08-29
Sunspot number36.1NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 1996 | 8 | 0 | 0 | C4.5 |
| August 1997 | 21 | 1 | 0 | M1.4 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1997-08-29 | 22:56 | 23:32 | 58 | M1.4 | N30E17 | – |
| 1997-08-09 | 16:30 | 16:34 | 8 | C8.5 | N19W85 | 8069 |
| 1997-08-10 | 23:42 | 00:03 | 37 | C5.5 | – | – |
| 1997-08-10 | 20:00 | 20:19 | 28 | C4.6 | – | – |
| 1997-08-26 | 05:26 | 05:32 | 9 | C4.5 | N26E55 | 8076 |
| 1997-08-26 | 00:51 | 00:54 | 5 | C4.0 | N21E57 | 8076 |
| 1997-08-29 | 04:17 | 04:28 | 21 | C4.0 | – | – |
| 1997-08-09 | 12:54 | 13:02 | 12 | C3.7 | – | – |
| 1997-08-09 | 23:41 | 23:50 | 14 | C3.2 | – | – |
| 1997-08-10 | 07:20 | 07:29 | 15 | C3.0 | – | – |
| 1997-08-31 | 11:26 | 11:31 | 7 | C2.7 | N29W05 | 8076 |
| 1997-08-30 | 11:07 | 11:25 | 25 | C1.9 | N23E03 | 8076 |
| 1997-08-31 | 22:18 | 22:23 | 8 | C1.4 | N30W12 | 8076 |
| 1997-08-25 | 15:18 | 15:22 | 7 | C1.2 | N28E69 | 8076 |
| 1997-08-25 | 16:25 | 17:15 | 64 | C1.2 | N27E69 | 8076 |
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
22 flares of class C or larger in August 1997; by M/X count it ranks 423 of 565 months.