Solar Flare WatchHome › Flare history › 1989
M7.3 solar flare on 1989-09-12
ClassM7.3NOAA report
Peak10:091989-09-12 UTC
Duration108 min
Peak flux7.3e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 87 / 2608 |
| Other M/X flares that day | 3 |
| M/X flares that month | 71 |
| Solar cycle | Cycle 22 |
| Position on disk | N17E13 |
| Active region | AR 5686 (7 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 |
|---|---|---|---|---|---|---|
| 04:35 | 08:14 | 382 | M5.3 | – | – | |
| 04:58 | 04:59 | 10 | M3.2 | S18W79 | 5669 | |
| 23:53 | 00:01 | 21 | M1.1 | S19W90 | 5669 |
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.
← M5.3 1989-09-12X9.8 1989-09-29 →
About this page
A M7.3 flare that began 1989-09-12 10:03 UTC; No. 87 of 2,608 C-class-or-larger flares in 1989.