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M5.8 solar flare on 2017-09-09
ClassM5.8GOES-16 science data
Peak11:042017-09-09 UTC
Duration–
Peak flux5.8e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 12 / 415 |
| Other M/X flares that day | 5 |
| 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 |
|---|---|---|---|---|---|---|
| 04:13 | 04:28 | 30 | M1.7 | – | – | |
| 11:19 | 11:26 | 15 | M4.6 | – | – | |
| 22:36 | 23:17 | – | M1.5 | – | – | |
| 23:37 | 23:41 | – | M1.5 | – | – | |
| 23:43 | 23:54 | 22 | M1.8 | – | – |
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.
← X1.2 2017-09-08X12.9 2017-09-10 →
About this page
A M5.8 flare that began 2017-09-09 10:46 UTC; No. 12 of 415 C-class-or-larger flares in 2017.