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X1.0 solar flare on 1982-02-07
ClassX1.0NOAA report
Peak13:031982-02-07 UTC
Duration81 min
Peak flux1.0e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 398 / 491 |
| Rank in year | 41 / 3850 |
| Other M/X flares that day | 1 |
| M/X flares that month | 77 |
| Solar cycle | Cycle 21 |
| Position on disk | S14W72 |
| Active region | AR 3576 (52 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 |
|---|---|---|---|---|---|---|
| 20:47 | 20:59 | 58 | M3.6 | S14E27 | 3594 |
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.
← M6.5 1982-02-06X1.4 1982-02-08 →
About this page
A X1.0 flare that began 1982-02-07 12:50 UTC; No. 41 of 3,850 C-class-or-larger flares in 1982.