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M6.9 solar flare on 1980-05-28
ClassM6.9NOAA report
Peak23:441980-05-28 UTC
Duration73 min
Peak flux6.9e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 36 / 2460 |
| Other M/X flares that day | 4 |
| M/X flares that month | 35 |
| Solar cycle | Cycle 21 |
| Position on disk | S17W39 |
| Active region | AR 2470 (18 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 |
|---|---|---|---|---|---|---|
| 02:14 | 02:16 | 21 | M2.2 | S22W19 | 2470 | |
| 17:05 | 17:18 | 48 | M3.6 | S18W35 | 2470 | |
| 19:24 | 19:51 | 89 | X1.1 | S18W33 | 2470 | |
| 21:53 | 22:05 | 43 | M2.8 | S24W33 | 2470 |
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.
← X1.1 1980-05-28M7.2 1980-06-03 →
About this page
A M6.9 flare that began 1980-05-28 23:32 UTC; No. 36 of 2,460 C-class-or-larger flares in 1980.