Solar Flare WatchHome › Flare history › 2002
M5.0 solar flare on 2002-08-20
ClassM5.0NOAA report
Peak01:402002-08-20 UTC
Duration10 min
Peak flux5.0e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 30 / 2553 |
| Other M/X flares that day | 3 |
| M/X flares that month | 47 |
| Solar cycle | Cycle 23 |
| Position on disk | S11W35 |
| Active region | AR 10069 (74 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 |
|---|---|---|---|---|---|---|
| 02:53 | 02:57 | 8 | M1.4 | S10W36 | 10069 | |
| 08:22 | 08:26 | 8 | M3.4 | S10W38 | 10069 | |
| 20:53 | 21:14 | 31 | M1.2 | S10E45 | 10085 |
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.
← M5.2 2002-08-16X1.0 2002-08-21 →
About this page
A M5.0 flare that began 2002-08-20 01:33 UTC; No. 30 of 2,553 C-class-or-larger flares in 2002.