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M5.1 solar flare on 2014-09-28
ClassM5.1NOAA report
Peak02:582014-09-28 UTC
Duration40 min
Peak flux5.1e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 39 / 2016 |
| Other M/X flares that day | 1 |
| M/X flares that month | 10 |
| Solar cycle | Cycle 24 |
| Position on disk | N16W38 |
| Active region | AR 12175 (3 flares) |
Compared with the strongest flares of 2014
X4.9
X3.1
X2.2
X2.0
X2.0
X1.8
X1.6
X1.6
X1.6
X1.5
X1.3
X1.2
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 16:34 | 17:33 | 86 | M1.0 | S15W27 | 12172 |
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.
← X1.6 2014-09-10M7.3 2014-10-02 →
About this page
A M5.1 flare that began 2014-09-28 02:39 UTC; No. 39 of 2,016 C-class-or-larger flares in 2014.