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X1.3 solar flare on 1989-09-09
ClassX1.3NOAA report
Peak19:301989-09-09 UTC
Duration28 min
Peak flux1.3e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 304 / 491 |
| Rank in year | 42 / 2608 |
| Other M/X flares that day | 4 |
| M/X flares that month | 71 |
| Solar cycle | Cycle 22 |
| Position on disk | S15W67 |
| Active region | AR 5669 (82 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 |
|---|---|---|---|---|---|---|
| 04:37 | 04:43 | 45 | M1.1 | S15W57 | 5669 | |
| 05:29 | 05:30 | 35 | M1.4 | N18E31 | 5680 | |
| 09:10 | 09:11 | 24 | X1.4 | N18E28 | 5680 | |
| 18:51 | 18:52 | 24 | M1.2 | N20E24 | 5680 |
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.
← X1.4 1989-09-09M6.2 1989-09-11 →
About this page
A X1.3 flare that began 1989-09-09 19:28 UTC; No. 42 of 2,608 C-class-or-larger flares in 1989.