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M8.9 solar flare on 2023-05-20
ClassM8.9GOES-16 science data
Peak12:352023-05-20 UTC
Duration14 min
Peak flux8.9e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 16 / 3209 |
| Other M/X flares that day | 7 |
| M/X flares that month | 58 |
| 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 |
|---|---|---|---|---|---|---|
| 06:49 | 07:02 | 22 | M1.0 | – | – | |
| 07:16 | 07:32 | 19 | M6.4 | – | – | |
| 09:18 | 09:27 | 13 | M1.1 | – | – | |
| 10:48 | 10:54 | 21 | M1.6 | – | – | |
| 14:54 | 15:00 | 9 | M5.6 | – | – | |
| 18:57 | 19:03 | 9 | M1.1 | – | – | |
| 22:52 | 23:06 | 28 | M5.1 | – | – |
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.
← M6.4 2023-05-20M5.6 2023-05-20 →
About this page
A M8.9 flare that began 2023-05-20 12:25 UTC; No. 16 of 3,209 C-class-or-larger flares in 2023.