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M7.8 solar flare on 2005-12-02
ClassM7.8NOAA report
Peak10:122005-12-02 UTC
Duration20 min
Peak flux7.8e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 24 / 699 |
| Other M/X flares that day | 3 |
| M/X flares that month | 4 |
| Solar cycle | Cycle 23 |
| Position on disk | S03E14 |
| Active region | AR 10826 (17 flares) |
Compared with the strongest flares of 2005
X17.0
X7.1
X6.2
X5.4
X3.8
X3.6
X2.6
X2.1
X1.7
X1.7
X1.5
X1.3
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 02:42 | 02:52 | 18 | M6.5 | S03E19 | 10826 | |
| 20:01 | 20:30 | 51 | M1.0 | S03E07 | 10826 | |
| 20:57 | 21:19 | 40 | M2.0 | – | – |
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 2005-12-02M7.9 2006-04-27 →
About this page
A M7.8 flare that began 2005-12-02 10:05 UTC; No. 24 of 699 C-class-or-larger flares in 2005.