Solar Flare WatchHome › Flare history › 2023
M6.3 solar flare on 2023-12-15
ClassM6.3GOES-16 science data
Peak07:152023-12-15 UTC
Duration–
Peak flux6.3e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 28 / 3209 |
| Other M/X flares that day | 1 |
| M/X flares that month | 25 |
| Solar cycle | Cycle 25 |
Compared with the strongest flares of 2023
X4.9
X2.8
X2.2
X2.0
X1.9
X1.6
X1.4
X1.2
X1.2
X1.1
X1.0
X1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 07:23 | 07:34 | 19 | M6.9 | – | – |
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.
← X2.8 2023-12-14M6.9 2023-12-15 →
About this page
A M6.3 flare that began 2023-12-15 07:03 UTC; No. 28 of 3,209 C-class-or-larger flares in 2023.