Solar Flare WatchHome › Flare history › 1989
X1.0 solar flare on 1989-08-15
ClassX1.0NOAA report
Peak02:541989-08-15 UTC
Duration194 min
Peak flux1.0e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 403 / 491 |
| Rank in year | 55 / 2608 |
| Other M/X flares that day | 9 |
| M/X flares that month | 57 |
| Solar cycle | Cycle 22 |
| Position on disk | S18W73 |
| Active region | AR 5629 (54 flares) |
Compared with the strongest flares of 1989
X20.0
X15.0
X13.0
X9.8
X6.5
X5.7
X4.5
X4.1
X4.0
X4.0
X3.9
X3.6
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 01:02 | 01:02 | 28 | M2.3 | S18W74 | 5629 | |
| 01:20 | 01:28 | 25 | M2.8 | – | – | |
| 13:29 | 13:57 | 111 | M3.9 | S17W79 | 5629 | |
| 15:07 | 15:09 | 8 | M1.3 | – | – | |
| 17:47 | 17:55 | 12 | M1.0 | S16W84 | 5629 | |
| 18:50 | 19:51 | 66 | M1.2 | S16W86 | 5629 | |
| 20:48 | 20:51 | 24 | M5.2 | S16W82 | 5629 | |
| 22:09 | 22:10 | 7 | M4.1 | S16W88 | 5629 | |
| 23:41 | 23:41 | 3 | M1.1 | N15E24 | 5643 |
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.
← X3.5 1989-08-14M5.2 1989-08-15 →
About this page
A X1.0 flare that began 1989-08-15 01:59 UTC; No. 55 of 2,608 C-class-or-larger flares in 1989.