Solar Flare WatchHome › Flare history › 1991
M5.8 solar flare on 1991-07-01
ClassM5.8NOAA report
Peak02:341991-07-01 UTC
Duration121 min
Peak flux5.8e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 96 / 3297 |
| Other M/X flares that day | 1 |
| M/X flares that month | 35 |
| Solar cycle | Cycle 22 |
| Position on disk | N33E79 |
| Active region | AR 6703 (22 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 |
|---|---|---|---|---|---|---|
| 20:14 | – | 6 | M1.5 | N29E70 | 6703 |
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.
← M5.0 1991-06-30M5.4 1991-07-05 →
About this page
A M5.8 flare that began 1991-07-01 01:26 UTC; No. 96 of 3,297 C-class-or-larger flares in 1991.