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M8.5 solar flare on 1980-11-07
ClassM8.5NOAA report
Peak17:421980-11-07 UTC
Duration81 min
Peak flux8.5e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 26 / 2460 |
| Other M/X flares that day | 10 |
| M/X flares that month | 116 |
| Solar cycle | Cycle 21 |
| Position on disk | N08W18 |
| Active region | AR 2776 (46 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 |
|---|---|---|---|---|---|---|
| 01:56 | 02:06 | 79 | X2.7 | N07W11 | 2776 | |
| 04:17 | 04:25 | 87 | M1.8 | S11E57 | 2779 | |
| 04:50 | 04:50 | 12 | M2.5 | S10E57 | 2779 | |
| 07:27 | 07:28 | 39 | M1.0 | N12W12 | 2776 | |
| 09:34 | 09:36 | 29 | M1.2 | S06E59 | 2779 | |
| 11:27 | 11:35 | 11 | M1.0 | S11E50 | 2779 | |
| 12:56 | 13:04 | 49 | M2.4 | N08W12 | 2776 | |
| 14:27 | 14:38 | 74 | M4.5 | N13W16 | 2776 | |
| 21:59 | 22:31 | 70 | M2.2 | – | – | |
| 22:15 | 22:18 | 17 | M2.1 | – | 2776 |
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.
← X2.7 1980-11-07X3.3 1980-11-08 →
About this page
A M8.5 flare that began 1980-11-07 17:26 UTC; No. 26 of 2,460 C-class-or-larger flares in 1980.