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X1.1 solar flare on 1982-11-12
ClassX1.1NOAA report
Peak14:351982-11-12 UTC
Duration88 min
Peak flux1.1e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 358 / 491 |
| Rank in year | 39 / 3850 |
| Other M/X flares that day | 4 |
| M/X flares that month | 50 |
| Solar cycle | Cycle 21 |
| Position on disk | S11E33 |
| Active region | AR 3987 (68 flares) |
Compared with the strongest flares of 1982
X12.9
X12.0
X10.1
X9.8
X8.0
X7.1
X5.9
X5.0
X4.5
X3.6
X3.2
X3.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 02:58 | 04:18 | 144 | M2.0 | S12E38 | 3987 | |
| 05:28 | 05:43 | 116 | M1.1 | S15E30 | 3987 | |
| 09:00 | 09:17 | 44 | M2.6 | – | 3987 | |
| 23:52 | 00:08 | 77 | M4.9 | S11E26 | 3987 |
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.
← M6.4 1982-09-04M8.5 1982-11-15 →
About this page
A X1.1 flare that began 1982-11-12 14:07 UTC; No. 39 of 3,850 C-class-or-larger flares in 1982.