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X1.2 solar flare on 2005-01-15
ClassX1.2NOAA report
Peak00:432005-01-15 UTC
Duration40 min
Peak flux1.2e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 346 / 491 |
| Rank in year | 14 / 699 |
| Other M/X flares that day | 7 |
| M/X flares that month | 27 |
| Solar cycle | Cycle 23 |
| Position on disk | N14E08 |
| Active region | AR 10720 (88 flares) |
Compared with the strongest flares of 2005
X17.0
X7.1
X6.2
X5.4
X3.8
X3.6
X2.6
X2.1
X1.7
X1.7
X1.5
X1.3
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 04:09 | 04:16 | 13 | M1.3 | N14E06 | 10720 | |
| 04:26 | 04:31 | 10 | M8.4 | N14E06 | 10720 | |
| 05:54 | 06:38 | 83 | M8.6 | N16E04 | 10720 | |
| 11:41 | 11:48 | 9 | M1.2 | N14E02 | 10720 | |
| 14:08 | 14:23 | 31 | M3.2 | S08W12 | 10718 | |
| 22:01 | 22:08 | 15 | M1.0 | N14W07 | 10720 | |
| 22:25 | 23:02 | 66 | X2.6 | N15W05 | 10720 |
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.
← X1.7 2005-01-01M8.4 2005-01-15 →
About this page
A X1.2 flare that began 2005-01-15 00:22 UTC; No. 14 of 699 C-class-or-larger flares in 2005.