Home › Flare history › 1991
M6.9 solar flare on 1991-11-10
ClassM6.9NOAA report
Peak01:381991-11-10 UTC
Duration50 min
Peak flux6.9e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 77 / 3297 |
| Other M/X flares that day | 2 |
| M/X flares that month | 29 |
| Solar cycle | Cycle 22 |
| Position on disk | S11E58 |
| Active region | AR 6919 (34 flares) |
Compared with the strongest flares of 1991
X12.0
X12.0
X12.0
X12.0
X12.0
X10.0
X10.0
X9.4
X7.1
X6.1
X5.5
X5.3
Other M/X flares that day
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 1991-11-09M7.9 1991-11-10 →
About this page
A M6.9 flare that began 1991-11-10 01:14 UTC; No. 77 of 3,297 C-class-or-larger flares in 1991.