Solar Flare WatchHome › Flare history › 1988
X1.1 solar flare on 1988-10-03
ClassX1.1NOAA report
Peak23:341988-10-03 UTC
Duration57 min
Peak flux1.1e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 360 / 491 |
| Rank in year | 11 / 1845 |
| Other M/X flares that day | 3 |
| M/X flares that month | 21 |
| Solar cycle | Cycle 22 |
| Position on disk | S27W20 |
| Active region | AR 5171 (38 flares) |
Compared with the strongest flares of 1988
X5.6
X4.7
X3.2
X2.5
X2.4
X1.6
X1.4
X1.4
X1.3
X1.2
X1.1
X1.1
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 13:22 | 13:26 | 17 | M1.9 | S28W15 | 5171 | |
| 14:53 | 15:11 | 49 | X3.2 | S27W16 | 5171 | |
| 22:32 | 22:36 | 19 | M1.0 | S26W19 | 5171 |
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.
← X3.2 1988-10-03X2.5 1988-10-12 →
About this page
A X1.1 flare that began 1988-10-03 23:22 UTC; No. 11 of 1,845 C-class-or-larger flares in 1988.