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X1.6 solar flare on 1989-06-20
ClassX1.6NOAA report
Peak15:081989-06-20 UTC
Duration152 min
Peak flux1.6e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 249 / 491 |
| Rank in year | 31 / 2608 |
| Other M/X flares that day | 3 |
| M/X flares that month | 96 |
| Solar cycle | Cycle 22 |
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 |
|---|---|---|---|---|---|---|
| 17:25 | 17:26 | 20 | M1.5 | S19E68 | 5552 | |
| 20:12 | 20:20 | 35 | M1.1 | S18W54 | 5533 | |
| 22:01 | 22:08 | 74 | M9.3 | N18W81 | 5528 |
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.
← M8.7 1989-06-17M9.3 1989-06-20 →
About this page
A X1.6 flare that began 1989-06-20 14:48 UTC; No. 31 of 2,608 C-class-or-larger flares in 1989.