Space Weather Events
Solar flare — 2026-09-19 17:57 UTC (C3.3)
The flare was produce by the unnumbered Active Region just behind the limb. This is likely the Active Region that would be numbered AR 14535.
| Event type | Solar flare |
|---|---|
| Date | |
| Peak (UTC) | |
| End (UTC) | |
| Flare class | C3.3 |
| Source location / observed at | N14E90 |
| CME speed (most accurate analysis) | — |
| Kp index values (as observed) | — |
| CME analyses | — |
| Linked events | 2026-09-19T18:48:00-CME-001 |
| Instruments | GOES-P: EXIS 1.0-8.0 |
Research information from NASA DONKI, not an operational warning. NOAA SWPC is the official US source of space weather forecasts.
Provenance
| Source | NASA DONKI — Space Weather Events |
|---|---|
| Feed | DONKI FLR |
| Provider data as of | not stated |
| First observed here | 12 Oct 2026, 20:02 EDT |
| Last observed here | 12 Oct 2026, 22:18 EDT |
| In latest snapshot | Yes |
| Record identifier | 9df9cffc-ae78-5975-8e3c-d9e0a33cde81 |
Local observation history
What this site observed; not complete provider history.
- — Added