Solar Flare WatchHome › Flare history › 2003
M5.1 solar flare on 2003-04-23
ClassM5.1NOAA report
Peak01:062003-04-23 UTC
Duration36 min
Peak flux5.1e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 34 / 1496 |
| Other M/X flares that day | 1 |
| M/X flares that month | 14 |
| Solar cycle | Cycle 23 |
| Position on disk | N22W25 |
| Active region | AR 10338 (44 flares) |
Compared with the strongest flares of 2003
X28.0
X17.2
X10.0
X8.3
X5.4
X3.9
X3.6
X2.7
X1.7
X1.6
X1.5
X1.5
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 15:36 | 15:56 | 35 | M2.0 | N20W22 | 10338 |
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.
← X1.5 2003-03-18M7.0 2003-04-26 →
About this page
A M5.1 flare that began 2003-04-23 00:39 UTC; No. 34 of 1,496 C-class-or-larger flares in 2003.