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M6.1 solar flare on 1981-09-06
ClassM6.1NOAA report
Peak23:541981-09-06 UTC
Duration10 min
Peak flux6.1e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 58 / 4022 |
| Other M/X flares that day | 3 |
| M/X flares that month | 43 |
| Solar cycle | Cycle 21 |
| Active region | AR 3317 (70 flares) |
Compared with the strongest flares of 1981
X5.9
X5.5
X4.0
X3.6
X3.5
X3.1
X3.0
X2.7
X2.6
X2.5
X2.4
X2.3
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 05:27 | 05:28 | 6 | M0.2 | S13W06 | 3314 | |
| 21:12 | 21:14 | 60 | M3.1 | N09E49 | 3317 | |
| 21:41 | 21:45 | 14 | M1.8 | – | 3317 |
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.
← M8.1 1981-09-05M5.7 1981-09-07 →
About this page
A M6.1 flare that began 1981-09-06 23:51 UTC; No. 58 of 4,022 C-class-or-larger flares in 1981.