Solar Flare WatchHome › Flare history › 1983
M5.6 solar flare on 1983-05-12
ClassM5.6NOAA report
Peak02:561983-05-12 UTC
Duration69 min
Peak flux5.6e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 10 / 2060 |
| Other M/X flares that day | 2 |
| M/X flares that month | 23 |
| Solar cycle | Cycle 21 |
| Position on disk | S30E15 |
| Active region | AR 4171 (25 flares) |
Compared with the strongest flares of 1983
X4.1
X3.1
X2.4
X2.3
X1.4
X1.3
M8.5
M7.0
M6.7
M5.6
M5.6
M5.5
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 00:33 | 00:38 | 15 | M1.0 | – | 4175 | |
| 13:34 | 13:40 | 101 | M2.2 | S12W44 | 4173 |
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.
← X2.4 1983-05-09X2.3 1983-05-15 →
About this page
A M5.6 flare that began 1983-05-12 02:37 UTC; No. 10 of 2,060 C-class-or-larger flares in 1983.