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M9.2 solar flare on 1982-12-09
ClassM9.2NOAA report
Peak11:381982-12-09 UTC
Duration66 min
Peak flux9.2e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 46 / 3850 |
| Other M/X flares that day | 11 |
| M/X flares that month | 88 |
| Solar cycle | Cycle 21 |
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 |
|---|---|---|---|---|---|---|
| 02:35 | 02:45 | 59 | M1.3 | N03W24 | 4014 | |
| 04:45 | 04:51 | 15 | M2.4 | – | 4014 | |
| 10:31 | 10:40 | 31 | M1.9 | N08W28 | 4014 | |
| 13:45 | 13:54 | 20 | M1.9 | – | – | |
| 14:13 | 14:18 | 15 | M1.9 | – | – | |
| 14:44 | 16:04 | 111 | M1.7 | N08W28 | 4014 | |
| 17:36 | 18:00 | 39 | M1.0 | N09E54 | 4022 | |
| 19:00 | 19:03 | 29 | M1.0 | N10E51 | 4022 | |
| 21:45 | 21:49 | 30 | M2.3 | N10E50 | 4022 | |
| 22:57 | 23:04 | 42 | M1.1 | N08W37 | 4014 | |
| 23:15 | 23:19 | 12 | M1.0 | – | – |
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.
← M6.7 1982-12-08M5.2 1982-12-10 →
About this page
A M9.2 flare that began 1982-12-09 11:23 UTC; No. 46 of 3,850 C-class-or-larger flares in 1982.