Solar Flare WatchHome › Flare history › 1989
X1.0 solar flare on 1989-06-05
ClassX1.0NOAA report
Peak21:361989-06-05 UTC
Duration229 min
Peak flux1.0e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 402 / 491 |
| Rank in year | 54 / 2608 |
| Other M/X flares that day | 5 |
| M/X flares that month | 96 |
| Solar cycle | Cycle 22 |
| Position on disk | S21E52 |
| Active region | AR 5521 (34 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 |
|---|---|---|---|---|---|---|
| 01:31 | 01:31 | 10 | M1.0 | S21E64 | 5521 | |
| 07:18 | 07:25 | 16 | M1.0 | – | – | |
| 08:27 | 08:58 | 71 | M1.3 | S18E62 | 5521 | |
| 11:12 | 11:14 | 57 | M3.4 | S21E59 | 5521 | |
| 19:55 | 20:13 | 81 | M1.2 | – | – |
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.
← M6.0 1989-06-04M6.3 1989-06-09 →
About this page
A X1.0 flare that began 1989-06-05 19:26 UTC; No. 54 of 2,608 C-class-or-larger flares in 1989.