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X1.0 solar flare on 1990-04-03
ClassX1.0NOAA report
Peak17:221990-04-03 UTC
Duration73 min
Peak flux1.0e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 408 / 491 |
| Rank in year | 15 / 2551 |
| Other M/X flares that day | 2 |
| M/X flares that month | 24 |
| Solar cycle | Cycle 22 |
| Position on disk | N23E82 |
| Active region | AR 6007 (16 flares) |
Compared with the strongest flares of 1990
X9.3
X5.5
X3.6
X3.4
X3.0
X2.4
X2.2
X1.9
X1.8
X1.7
X1.5
X1.4
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 01:39 | 01:49 | 28 | M1.0 | – | – | |
| 08:16 | 08:42 | 89 | M7.3 | – | – |
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.
← M7.3 1990-04-03M7.1 1990-04-04 →
About this page
A X1.0 flare that began 1990-04-03 17:05 UTC; No. 15 of 2,551 C-class-or-larger flares in 1990.