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M9.5 solar flare on 2002-01-09
ClassM9.5NOAA report
Peak18:012002-01-09 UTC
Duration30 min
Peak flux9.5e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 13 / 2553 |
| Other M/X flares that day | 1 |
| M/X flares that month | 22 |
| Solar cycle | Cycle 23 |
| Position on disk | N13W02 |
| Active region | AR 9773 (35 flares) |
Compared with the strongest flares of 2002
X4.8
X3.3
X3.1
X3.0
X2.1
X1.8
X1.5
X1.5
X1.5
X1.2
X1.0
X1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 11:01 | 11:13 | 29 | M1.6 | N13E08 | 9773 |
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.
← M9.3 2001-12-29M5.1 2002-02-20 →
About this page
A M9.5 flare that began 2002-01-09 17:42 UTC; No. 13 of 2,553 C-class-or-larger flares in 2002.