Solar Flare WatchHome › Flare history › 1997
M5.9 solar flare on 1997-09-24
ClassM5.9NOAA report
Peak02:481997-09-24 UTC
Duration9 min
Peak flux5.9e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 6 / 310 |
| Other M/X flares that day | 1 |
| M/X flares that month | 6 |
| Solar cycle | Cycle 23 |
| Position on disk | S31E19 |
| Active region | AR 8088 (14 flares) |
Compared with the strongest flares of 1997
X9.4
X2.6
X2.1
M6.8
M6.4
M5.9
M4.2
M4.1
M3.0
M2.0
M1.9
M1.7
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 10:57 | 11:06 | 13 | M3.0 | S28E18 | 8088 |
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.
← X2.6 1996-07-09X2.1 1997-11-04 →
About this page
A M5.9 flare that began 1997-09-24 02:43 UTC; No. 6 of 310 C-class-or-larger flares in 1997.