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M5.2 solar flare on 1983-03-17
ClassM5.2NOAA report
Peak20:131983-03-17 UTC
Duration5 min
Peak flux5.2e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 14 / 2060 |
| Other M/X flares that day | 5 |
| M/X flares that month | 10 |
| Solar cycle | Cycle 21 |
| Position on disk | S08E42 |
| Active region | AR 4116 (24 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 |
|---|---|---|---|---|---|---|
| 02:24 | 02:27 | 22 | M1.1 | S07E52 | 4116 | |
| 09:00 | 09:04 | 40 | M2.2 | S08E48 | 4116 | |
| 09:28 | 09:31 | 6 | M4.8 | – | 4116 | |
| 13:32 | 13:37 | 21 | M2.2 | – | – | |
| 19:30 | 19:33 | 5 | M2.7 | – | – |
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.
← X4.1 1983-02-03M6.7 1983-04-18 →
About this page
A M5.2 flare that began 1983-03-17 20:11 UTC; No. 14 of 2,060 C-class-or-larger flares in 1983.