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X1.1 solar flare on 2023-02-11
ClassX1.1GOES-16 science data
Peak15:482023-02-11 UTC
Duration13 min
Peak flux1.1e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (since Jun 2017) | 83 / 108 |
| Rank in year | 10 / 3209 |
| Other M/X flares that day | 5 |
| M/X flares that month | 52 |
| 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 |
|---|---|---|---|---|---|---|
| 07:59 | 08:08 | 15 | M2.2 | – | – | |
| 10:42 | 10:58 | – | M1.0 | – | – | |
| 11:29 | 11:34 | 11 | M1.4 | – | – | |
| 12:05 | 12:09 | 9 | M1.5 | – | – | |
| 17:11 | 17:23 | 19 | M1.4 | – | – |
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.
← M6.0 2023-01-15X2.2 2023-02-17 →
About this page
A X1.1 flare that began 2023-02-11 15:40 UTC; No. 10 of 3,209 C-class-or-larger flares in 2023.