Solar Flare WatchHome › Flare history › 1998
M8.4 solar flare on 1998-11-05
ClassM8.4NOAA report
Peak19:551998-11-05 UTC
Duration72 min
Peak flux8.4e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 16 / 1296 |
| Other M/X flares that day | 1 |
| M/X flares that month | 20 |
| Solar cycle | Cycle 23 |
| Position on disk | N22W18 |
Compared with the strongest flares of 1998
X4.9
X3.9
X3.7
X3.3
X2.8
X2.7
X2.5
X2.2
X1.2
X1.2
X1.1
X1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 13:30 | 13:36 | 9 | M1.5 | N15W17 | 8375 |
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.
← M7.1 1998-09-23X3.7 1998-11-22 →
About this page
A M8.4 flare that began 1998-11-05 19:00 UTC; No. 16 of 1,296 C-class-or-larger flares in 1998.