Solar Flare WatchHome › Flare history › 2001
M9.3 solar flare on 2001-12-29
ClassM9.3NOAA report
Peak09:452001-12-29 UTC
Duration28 min
Peak flux9.3e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 24 / 2429 |
| Other M/X flares that day | 7 |
| M/X flares that month | 50 |
| Solar cycle | Cycle 23 |
| Position on disk | S07W85 |
| Active region | AR 9748 (10 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 |
|---|---|---|---|---|---|---|
| 04:04 | 04:11 | 19 | M2.1 | – | – | |
| 05:40 | 05:45 | 10 | M1.1 | N02W32 | 9751 | |
| 09:05 | 09:16 | 23 | M1.8 | – | – | |
| 11:52 | 11:57 | 12 | M1.4 | S26E87 | – | |
| 16:33 | 16:47 | 29 | M3.3 | – | – | |
| 19:50 | 21:27 | 245 | M1.8 | – | – | |
| 22:51 | 22:56 | 17 | M2.8 | S24E88 | 9767 |
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.
← X3.4 2001-12-28M9.5 2002-01-09 →
About this page
A M9.3 flare that began 2001-12-29 09:38 UTC; No. 24 of 2,429 C-class-or-larger flares in 2001.