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X1.8 solar flare on 1992-06-28
ClassX1.8NOAA report
Peak05:271992-06-28 UTC
Duration42 min
Peak flux1.8e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 221 / 491 |
| Rank in year | 4 / 2134 |
| Other M/X flares that day | 2 |
| M/X flares that month | 9 |
| Solar cycle | Cycle 22 |
| Position on disk | N11W90 |
| Active region | AR 7205 (29 flares) |
Compared with the strongest flares of 1992
X9.0
X3.9
X3.3
X1.8
X1.7
X1.7
X1.4
X1.3
X1.2
X1.0
M7.8
M7.6
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 02:13 | 03:44 | 130 | M1.1 | – | – | |
| 13:53 | 14:24 | 70 | M1.6 | – | – |
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.
← X3.9 1992-06-25X1.2 1992-07-08 →
About this page
A X1.8 flare that began 1992-06-28 05:27 UTC; No. 4 of 2,134 C-class-or-larger flares in 1992.