CaseSphere2010

Naperville, IL, USA

Spherical object or ball of light flying low and fast while recording clouds

Report quality: Moderate47/100

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: 3s (an atypical range)
  • Moderate witness text (76 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2010-08-11
Where
Naperville, IL, USA
Shape
Sphere
Duration
3 seconds
Geo
41.786, -88.147 · exact
Slug
sphere-over-naperville-il-2010-c3d721
Wave

Part of a wave

  • Historical wave2004

    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…

In context

  • One of 40 documented reports from Naperville, IL in the UFOMYST archive.
  • Illinois logged 208 sightings in 2010.
  • Sphere sightings ran at 7.1% during the 2010s (archive average: 6.5%).

Nearby in space & time

within 30 days

Report

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.