Solar Flare WatchHome › Flare history › 1982
M5.0 solar flare on 1982-12-17
ClassM5.0NOAA report
Peak22:501982-12-17 UTC
Duration39 min
Peak flux5.0e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 92 / 3850 |
| Other M/X flares that day | 6 |
| M/X flares that month | 88 |
| Solar cycle | Cycle 21 |
| Position on disk | S16W66 |
| Active region | AR 4021 (12 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 |
|---|---|---|---|---|---|---|
| 01:45 | 01:48 | 24 | M4.8 | S10W03 | 4026 | |
| 10:02 | 10:04 | 16 | M1.3 | S18W61 | 4021 | |
| 16:40 | 17:08 | 63 | M1.4 | S12W13 | 4026 | |
| 18:19 | 18:58 | 204 | X10.1 | S08W21 | 4025 | |
| 20:57 | 21:13 | 88 | M4.2 | S08W14 | 4026 | |
| 21:44 | 21:53 | 36 | M4.8 | – | 4026 |
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.
← X10.1 1982-12-17X1.2 1982-12-18 →
About this page
A M5.0 flare that began 1982-12-17 22:17 UTC; No. 92 of 3,850 C-class-or-larger flares in 1982.