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M8.7 solar flare on 1980-11-16
ClassM8.7NOAA report
Peak09:041980-11-16 UTC
Duration8 min
Peak flux8.7e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 25 / 2460 |
| Other M/X flares that day | 8 |
| M/X flares that month | 116 |
| Solar cycle | Cycle 21 |
| Position on disk | N16W06 |
| Active region | AR 2788 (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 |
|---|---|---|---|---|---|---|
| 00:48 | 00:55 | 24 | M2.2 | S14W51 | 2779 | |
| 01:13 | 01:17 | 10 | M1.0 | S10W55 | 2779 | |
| 05:05 | 05:07 | 15 | M1.4 | S06W68 | 2779 | |
| 05:30 | 05:35 | 30 | M3.3 | S11W59 | 2779 | |
| 10:08 | 10:09 | 24 | M1.3 | S12W70 | 2779 | |
| 14:26 | 14:35 | 33 | M4.4 | – | 2779 | |
| 19:58 | 20:27 | 59 | M3.5 | – | – | |
| 23:58 | 00:22 | 51 | M2.4 | – | 2788 |
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.
← X1.9 1980-11-15M5.2 1980-11-17 →
About this page
A M8.7 flare that began 1980-11-16 08:59 UTC; No. 25 of 2,460 C-class-or-larger flares in 1980.