UFOMYST
CaseRectangle1990

Riverside, IL, USA

Rectangular shaped craft with two rows of three bright lights.

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 (62 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1990-08-25
Where
Riverside, IL, USA
Shape
Rectangle
Duration
Ten seconds
Geo
41.835, -87.823 · exact
Slug
rectangle-over-riverside-il-1990-8f4a0f
Wave

Part of a wave

  • Historical wave1989–1991

    The Belgian Triangle Wave

    Belgium (Eupen, Wallonia, Brussels corridor)

    The definitive black-triangle wave: silent, slow platforms with three corner lights, reported by gendarmes, air-traffic controllers, and thousands of citizens. On the night of March 30-31, 1990, Belgian F-16s scrambled…

    Open wave →

In context

  • One of 5 documented reports from Riverside, IL in the UFOMYST archive.
  • Illinois logged 9 sightings in 1990.
  • Rectangle sightings ran at 1.4% during the 1990s (archive average: 1.7%).

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.