Solar Flare WatchHome › Flare history › 1991
M7.3 solar flare on 1991-06-14
ClassM7.3NOAA report
Peak01:371991-06-14 UTC
Duration81 min
Peak flux7.3e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 69 / 3297 |
| Other M/X flares that day | 5 |
| M/X flares that month | 72 |
| Solar cycle | Cycle 22 |
| Position on disk | N30W64 |
| Active region | AR 6659 (72 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
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 00:01 | 00:03 | 11 | M1.5 | – | – | |
| 00:14 | 00:19 | 29 | M4.1 | N31W56 | 6659 | |
| 04:19 | 04:22 | 14 | M1.3 | N31W58 | 6659 | |
| 05:23 | 05:24 | 14 | M1.1 | N31W69 | 6659 | |
| 19:14 | 19:14 | 5 | M1.6 | N28W65 | 6659 |
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.
← M5.4 1991-06-13X12.0 1991-06-15 →
About this page
A M7.3 flare that began 1991-06-14 01:24 UTC; No. 69 of 3,297 C-class-or-larger flares in 1991.