UFOMYST
CaseTriangle1977

Denver, CO, USA

Myself and a friend's sister were standing on a rear balcony at 18th and Franklin St. (SE corner, alley) when we both seemed to "sense"

Report quality: Moderate55/100

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: 15s, a plausible sighting length
  • Detailed witness text (135 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1977-08-09
Where
Denver, CO, USA
Shape
Triangle
Duration
15 seconds
Geo
39.739, -104.985 · exact
Slug
triangle-over-denver-co-1977-89046a
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

  • Denver, CO has 317 sightings on file here.
  • 1977 brought 8 reports from Colorado.
  • The 1970s skewed 7.9% triangle reports; the archive-wide figure is 9%.

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.