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M6.4 solar flare on 2017-09-05
ClassM6.4GOES-16 science data
Peak01:082017-09-05 UTC
Duration9 min
Peak flux6.4e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 8 / 415 |
| Other M/X flares that day | 6 |
| M/X flares that month | 39 |
| Solar cycle | Cycle 24 |
Compared with the strongest flares of 2017
X14.6
X12.9
X3.2
X2.1
X1.2
X1.2
M8.4
M6.4
M6.0
M5.8
M5.8
M5.8
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 00:30 | 00:35 | 11 | M1.5 | – | – | |
| 03:39 | 03:51 | 27 | M1.5 | – | – | |
| 04:27 | 04:53 | 41 | M5.0 | – | – | |
| 06:33 | 06:40 | 10 | M5.8 | – | – | |
| 13:23 | 13:34 | 29 | M1.0 | – | – | |
| 17:37 | 17:43 | 14 | M3.5 | – | – |
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.
← M8.4 2017-09-04M5.0 2017-09-05 →
About this page
A M6.4 flare that began 2017-09-05 01:02 UTC; No. 8 of 415 C-class-or-larger flares in 2017.