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M7.5 solar flare on 1980-12-02
ClassM7.5NOAA report
Peak11:231980-12-02 UTC
Duration52 min
Peak flux7.5e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 32 / 2460 |
| Other M/X flares that day | 3 |
| M/X flares that month | 38 |
| Solar cycle | Cycle 21 |
| Position on disk | S11E12 |
| Active region | AR 2810 (23 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 |
|---|---|---|---|---|---|---|
| 05:36 | 06:28 | 55 | M1.1 | S13E13 | 2810 | |
| 12:35 | 12:49 | 40 | M2.8 | – | 2810 | |
| 13:39 | 13:42 | 10 | M1.9 | – | 2810 |
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.
← M9.1 1980-11-19M5.6 1980-12-15 →
About this page
A M7.5 flare that began 1980-12-02 11:20 UTC; No. 32 of 2,460 C-class-or-larger flares in 1980.