Solar Flare WatchHome › Flare history › 2007
M8.9 solar flare on 2007-06-04
ClassM8.9NOAA report
Peak05:132007-06-04 UTC
Duration10 min
Peak flux8.9e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 1 / 83 |
| Other M/X flares that day | 0 |
| M/X flares that month | 10 |
| Solar cycle | Cycle 23 |
| Position on disk | S07E51 |
| Active region | AR 10960 (15 flares) |
Compared with the strongest flares of 2007
M8.9
M7.0
M4.5
M2.8
M2.5
M2.4
M2.1
M1.0
M1.0
M1.0
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.
← M7.0 2007-06-03M6.4 2010-02-07 →
About this page
A M8.9 flare that began 2007-06-04 05:06 UTC; No. 1 of 83 C-class-or-larger flares in 2007.