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X1.8 solar flare on 1989-11-15
ClassX1.8NOAA report
Peak19:351989-11-15 UTC
Duration119 min
Peak flux1.8e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 217 / 491 |
| Rank in year | 30 / 2608 |
| Other M/X flares that day | 2 |
| M/X flares that month | 67 |
| Solar cycle | Cycle 22 |
| Position on disk | N16W27 |
| Active region | AR 5786 (20 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
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.
← X3.2 1989-11-15X1.1 1989-11-16 →
About this page
A X1.8 flare that began 1989-11-15 19:18 UTC; No. 30 of 2,608 C-class-or-larger flares in 1989.