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X1.2 solar flare on 1989-03-13
ClassX1.2NOAA report
Peak03:201989-03-13 UTC
Duration78 min
Peak flux1.2e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 328 / 491 |
| Rank in year | 44 / 2608 |
| Other M/X flares that day | 5 |
| M/X flares that month | 100 |
| Solar cycle | Cycle 22 |
| Position on disk | N28W02 |
| 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 |
|---|---|---|---|---|---|---|
| 01:32 | 01:35 | 27 | M1.4 | N27W08 | 5395 | |
| 06:21 | 06:30 | 16 | M1.4 | N33W08 | 5395 | |
| 12:59 | 13:15 | 113 | M1.7 | N32W14 | 5395 | |
| 17:31 | 17:37 | 83 | M1.5 | N32W16 | 5395 | |
| 22:11 | 22:41 | 72 | M1.2 | N31W13 | 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.
← M6.3 1989-03-12X1.1 1989-03-14 →
About this page
A X1.2 flare that began 1989-03-13 02:59 UTC; No. 44 of 2,608 C-class-or-larger flares in 1989.