Solar Flare WatchHome › Flare history › 2001
M7.1 solar flare on 2001-12-26
ClassM7.1NOAA report
Peak05:402001-12-26 UTC
Duration135 min
Peak flux7.1e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 34 / 2429 |
| Other M/X flares that day | 4 |
| M/X flares that month | 50 |
| Solar cycle | Cycle 23 |
| Position on disk | N08W54 |
| Active region | AR 9742 (19 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 |
|---|---|---|---|---|---|---|
| 12:22 | 12:26 | 7 | M1.8 | N10W68 | 9742 | |
| 17:13 | 17:18 | 18 | M1.3 | N10W72 | 9742 | |
| 21:11 | 21:15 | 8 | M1.2 | S10W56 | 9748 | |
| 22:38 | 22:42 | 7 | M1.0 | – | – |
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.
← X6.2 2001-12-13X3.4 2001-12-28 →
About this page
A M7.1 flare that began 2001-12-26 04:32 UTC; No. 34 of 2,429 C-class-or-larger flares in 2001.