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M8.7 solar flare on 1980-11-13
ClassM8.7NOAA report
Peak09:511980-11-13 UTC
Duration54 min
Peak flux8.7e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 24 / 2460 |
| Other M/X flares that day | 5 |
| M/X flares that month | 116 |
| Solar cycle | Cycle 21 |
| Active region | AR 2777 (6 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 |
|---|---|---|---|---|---|---|
| 00:31 | 00:37 | 53 | M9.4 | S11W21 | 2779 | |
| 03:12 | 03:20 | 27 | M1.9 | – | – | |
| 05:05 | 05:17 | 34 | M1.8 | – | 2776 | |
| 17:32 | 17:44 | 25 | M1.1 | S10W30 | 2779 | |
| 18:37 | 19:24 | 87 | M4.6 | S16W32 | 2779 |
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.
← M9.4 1980-11-13M8.0 1980-11-14 →
About this page
A M8.7 flare that began 1980-11-13 09:37 UTC; No. 24 of 2,460 C-class-or-larger flares in 1980.