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X1.8 solar flare on 1989-03-07
ClassX1.8NOAA report
Peak14:541989-03-07 UTC
Duration58 min
Peak flux1.8e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 216 / 491 |
| Rank in year | 29 / 2608 |
| Other M/X flares that day | 5 |
| M/X flares that month | 100 |
| Solar cycle | Cycle 22 |
| Position on disk | N32E65 |
| Active region | AR 5395 (107 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 |
|---|---|---|---|---|---|---|
| 05:19 | 05:58 | 96 | M2.0 | N29E69 | 5395 | |
| 13:19 | 13:27 | 29 | M4.1 | N31E65 | 5395 | |
| 13:40 | 13:44 | 29 | M2.4 | – | – | |
| 16:53 | 17:03 | 31 | M3.8 | N29E63 | 5395 | |
| 22:23 | 22:32 | 31 | M4.2 | N30E59 | 5395 |
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.
← X15.0 1989-03-06M5.7 1989-03-08 →
About this page
A X1.8 flare that began 1989-03-07 14:47 UTC; No. 29 of 2,608 C-class-or-larger flares in 1989.