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X2.3 solar flare on 1989-09-01
ClassX2.3NOAA report
Peak08:181989-09-01 UTC
Duration10 min
Peak flux2.3e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 168 / 491 |
| Rank in year | 26 / 2608 |
| Other M/X flares that day | 5 |
| M/X flares that month | 71 |
| Solar cycle | Cycle 22 |
| Position on disk | S20E65 |
| Active region | AR 5671 (3 flares) |
Compared with the strongest flares of 1989
X20.0
X15.0
X13.0
X9.8
X6.5
X5.7
X4.5
X4.1
X4.0
X4.0
X3.9
X3.6
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 04:05 | 07:12 | 436 | M4.6 | – | – | |
| 14:59 | 15:01 | 7 | M2.0 | S16E39 | 5669 | |
| 15:39 | 15:41 | 14 | M1.6 | S17E57 | 5671 | |
| 21:21 | 21:25 | 15 | M1.0 | – | – | |
| 23:50 | 23:55 | 49 | M5.8 | S19E42 | 5669 |
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.
← M7.1 1989-08-30M5.8 1989-09-01 →
About this page
A X2.3 flare that began 1989-09-01 08:10 UTC; No. 26 of 2,608 C-class-or-larger flares in 1989.