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X1.1 solar flare on 2012-03-05
ClassX1.1NOAA report
Peak04:092012-03-05 UTC
Duration133 min
Peak flux1.1e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 387 / 491 |
| Rank in year | 6 / 1388 |
| Other M/X flares that day | 3 |
| M/X flares that month | 22 |
| Solar cycle | Cycle 24 |
| Position on disk | N16E54 |
| Active region | AR 11429 (28 flares) |
Compared with the strongest flares of 2012
X5.4
X1.8
X1.7
X1.4
X1.3
X1.1
X1.1
M9.0
M8.7
M8.4
M7.9
M7.7
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 19:10 | 19:16 | 11 | M2.1 | N14E44 | 11429 | |
| 19:27 | 19:30 | 5 | M1.8 | N14E44 | 11429 | |
| 22:26 | 22:34 | 16 | M1.3 | – | – |
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 2012-01-27X5.4 2012-03-07 →
About this page
A X1.1 flare that began 2012-03-05 02:30 UTC; No. 6 of 1,388 C-class-or-larger flares in 2012.