UFOMYST
CaseDiamond2004

Matteson, IL, USA

We were walking are dog and we saw a bright large object in the sky.

Report quality: Moderate45/100

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.

  • No parseable duration on file
  • Moderate witness text (68 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2004-11-06
Where
Matteson, IL, USA
Shape
Diamond
Duration
—
Geo
41.504, -87.713 · exact
Slug
diamond-over-matteson-il-2004-83f0e3
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…

    Open wave →

In context

  • Matteson, IL has 12 sightings on file here.
  • 2004 brought 220 reports from Illinois.
  • The 2000s skewed 1.6% diamond reports; the archive-wide figure is 1.4%.

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.