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X0.6 solar flare on 1979-08-18
ClassX0.6NOAA report
Peak14:161979-08-18 UTC
Duration42 min
Peak flux6.0e-05W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 435 / 491 |
| Rank in year | 1 / 1469 |
| Other M/X flares that day | 1 |
| M/X flares that month | 19 |
| Solar cycle | Cycle 21 |
| Position on disk | N10E90 |
| Active region | AR 1943 (31 flares) |
Compared with the strongest flares of 1979
M6.0
M5.0
M5.0
M3.0
M2.0
M2.0
M2.0
M2.0
M2.0
M1.0
M1.0
M1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 13:46 | 13:50 | 14 | X0.1 | S19E87 | – |
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.
← X0.1 1979-08-18X0.5 1979-08-20 →
About this page
A X0.6 flare that began 1979-08-18 14:03 UTC; No. 1 of 1,469 C-class-or-larger flares in 1979.