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X4.4 solar flare on 1980-11-05
ClassX4.4NOAA report
Peak13:551980-11-05 UTC
Duration77 min
Peak flux4.4e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 64 / 491 |
| Rank in year | 2 / 2460 |
| Other M/X flares that day | 4 |
| M/X flares that month | 116 |
| Solar cycle | Cycle 21 |
| Active region | AR 2779 (81 flares) |
Compared with the strongest flares of 1980
X9.0
X4.4
X3.9
X3.3
X3.3
X3.0
X2.7
X2.6
X2.5
X2.5
X2.2
X1.9
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 08:32 | 08:56 | 55 | M3.0 | – | 2779 | |
| 10:57 | 11:06 | 60 | M2.0 | S14E85 | 2779 | |
| 16:03 | 16:41 | 97 | M2.1 | N08E11 | 2776 | |
| 22:26 | 22:34 | 11 | M4.0 | N11E07 | 2776 |
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.
← X3.9 1980-10-25X9.0 1980-11-06 →
About this page
A X4.4 flare that began 1980-11-05 13:41 UTC; No. 2 of 2,460 C-class-or-larger flares in 1980.