Solar Flare WatchHome › Flare history › 2001
M9.1 solar flare on 2001-11-08
ClassM9.1NOAA report
Peak07:042001-11-08 UTC
Duration7 min
Peak flux9.1e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 26 / 2429 |
| Other M/X flares that day | 3 |
| M/X flares that month | 48 |
| Solar cycle | Cycle 23 |
| Position on disk | S19W19 |
| Active region | AR 9687 (28 flares) |
Compared with the strongest flares of 2001
X20.0
X14.4
X6.2
X5.6
X5.3
X3.4
X2.8
X2.6
X2.3
X2.0
X1.7
X1.6
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 12:13 | 12:29 | 39 | M1.3 | S17E36 | 9690 | |
| 13:56 | 14:09 | 24 | M1.4 | – | – | |
| 14:59 | 15:35 | 61 | M4.2 | S17E36 | 9690 |
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.
← M5.7 2001-11-07M9.9 2001-11-22 →
About this page
A M9.1 flare that began 2001-11-08 06:59 UTC; No. 26 of 2,429 C-class-or-larger flares in 2001.