Corona, CA, USA
6 light silver spheres over Corona, making straight line formation of 4. No sound.
Report quality: Moderate61/100
This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.
- Duration parsed: 5400s, a plausible sighting length
- Moderate witness text (82 characters)
- Location geocoded exactly
- 1 other report from the same city within 3 days
- When
- 2017-08-23
- Where
- Corona, CA, USA
- Shape
- Sphere
- Duration
- 90 minutes
- Geo
- 33.875, -117.566 · exact
- Slug
- sphere-over-corona-ca-2017-4d0683
Part of a wave
The Navy Encounters & the UAP Era
U.S. training ranges (Pacific off San Diego; Atlantic off Virginia), then worldwide reporting
The wave that renamed the subject. The USS Nimitz 'Tic Tac' encounter (November 2004: radar drops from 80,000 ft to sea level in seconds, pilot visual by Cmdr. David Fravor, FLIR video) stayed classified-adjacent until…
Local cluster
Corona, CA logged 3 reports in the single month of August 2017.
In context
- One of 72 documented reports from Corona, CA in the UFOMYST archive.
- California logged 594 sightings in 2017.
- Sphere sightings ran at 7.1% during the 2010s (archive average: 6.5%).
Nearby in space & time
within 30 daysReport
Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.