Solar Flare WatchHome › Flare history › 1988
M9.7 solar flare on 1988-11-09
ClassM9.7NOAA report
Peak12:311988-11-09 UTC
Duration54 min
Peak flux9.7e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 14 / 1845 |
| Other M/X flares that day | 1 |
| M/X flares that month | 34 |
| Solar cycle | Cycle 22 |
| Position on disk | N13W29 |
| Active region | AR 5218 (23 flares) |
Compared with the strongest flares of 1988
X5.6
X4.7
X3.2
X2.5
X2.4
X1.6
X1.4
X1.4
X1.3
X1.2
X1.1
X1.1
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 19:32 | 19:34 | 33 | M4.5 | N13W30 | 5218 |
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.
← M6.4 1988-10-13M9.5 1988-11-10 →
About this page
A M9.7 flare that began 1988-11-09 12:03 UTC; No. 14 of 1,845 C-class-or-larger flares in 1988.