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M7.2 solar flare on 1980-05-09
ClassM7.2NOAA report
Peak07:141980-05-09 UTC
Duration37 min
Peak flux7.2e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 34 / 2460 |
| Other M/X flares that day | 1 |
| M/X flares that month | 35 |
| Solar cycle | Cycle 21 |
| Position on disk | S21W32 |
| Active region | AR 2418 (23 flares) |
Compared with the strongest flares of 1980
X9.0
X4.4
X3.9
X3.3
X3.3
X3.0
X2.7
X2.6
X2.5
X2.5
X2.2
X1.9
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 20:22 | 20:54 | 80 | M3.8 | S30E31 | 2433 |
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.
← X3.0 1980-05-01X1.4 1980-05-21 →
About this page
A M7.2 flare that began 1980-05-09 07:11 UTC; No. 34 of 2,460 C-class-or-larger flares in 1980.