UFOMYST
CaseRectangle1978

Longmont, CO, USA

Black triangle monolith passed over Longmont, Colorado in the summer of 1978

Report quality: Moderate51/100

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: 900s, a plausible sighting length
  • Moderate witness text (76 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1978-08-15
Where
Longmont, CO, USA
Shape
Rectangle
Duration
15min.
Geo
40.167, -105.102 · exact
Slug
rectangle-over-longmont-co-1978-e75e2f
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 94 reports logged in Longmont, CO.
  • This case is one of 3 Colorado reports filed in 1978.
  • Rectangle craft made up 2.3% of 1970s reports, vs 1.7% 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.