UFOMYST
CaseTriangle1977

Bourbonnais, IL, USA

BOLIDE RELATED UFO

Report quality: Moderate48/100

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: 1800s, a plausible sighting length
  • Brief witness text (18 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1977-09-01
Where
Bourbonnais, IL, USA
Shape
Triangle
Duration
30 MIN
Geo
41.154, -87.888 · exact
Slug
triangle-over-bourbonnais-il-1977-dd9888
Wave

Part of a wave

  • Historical wave1977–1978

    Colares & Operação Prato

    Ilha de Colares and the Baixo Amazonas, Pará, Brazil

    The most physically aggressive wave on record. Luminous objects — locals called them 'chupa-chupa' (sucker-sucker) — descended nightly over fishing villages, projecting beams that left burns, puncture marks, anemia and…

    Open wave →

In context

  • This is one of 11 reports logged in Bourbonnais, IL.
  • This case is one of 13 Illinois reports filed in 1977.
  • Triangle craft made up 7.9% of 1970s reports, vs 9% across the whole archive.

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.