Solar Flare WatchHome › Flare history › 1989
M5.4 solar flare on 1989-05-04
ClassM5.4NOAA report
Peak11:311989-05-04 UTC
Duration34 min
Peak flux5.4e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 117 / 2608 |
| Other M/X flares that day | 7 |
| M/X flares that month | 47 |
| Solar cycle | Cycle 22 |
| Position on disk | S20W36 |
| Active region | AR 5464 (44 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 |
|---|---|---|---|---|---|---|
| 03:13 | 04:22 | 88 | M4.4 | S19W29 | 5464 | |
| 03:35 | 03:35 | 53 | M1.1 | S19W27 | 5464 | |
| 08:19 | 08:22 | 9 | M2.8 | S19W31 | 5464 | |
| 18:38 | 18:42 | 19 | M1.1 | S17W36 | 5464 | |
| 18:57 | 19:13 | 74 | M2.3 | N30E15 | 5470 | |
| 20:28 | 20:36 | 38 | M1.1 | S20W38 | 5464 | |
| 22:20 | 22:25 | 14 | M1.0 | S17W38 | 5464 |
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.
← X2.3 1989-05-03X2.4 1989-05-05 →
About this page
A M5.4 flare that began 1989-05-04 11:06 UTC; No. 117 of 2,608 C-class-or-larger flares in 1989.