UFOMYST
CaseSphere1990

Amsterdam (Netherlands), Netherlands

Initially we thought it was a satellite reflecting the sun, but soon we realized that it had to be something else.

Report quality: Moderate47/100

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: 300s, a plausible sighting length
  • Moderate witness text (114 characters)
  • Location geocoded approximately
  • No other reports from this city within 3 days
When
1990-12-08
Where
Amsterdam (Netherlands), Netherlands
Shape
Sphere
Duration
5 minutes
Geo
52.374, 4.890 · fallback
Slug
sphere-over-amsterdam-netherlands-1990-e8b473
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

  • Amsterdam (Netherlands), Netherlands has 8 sightings on file here.
  • 1990 brought 1 reports from Netherlands.
  • The 1990s skewed 5.9% sphere reports; the archive-wide figure is 6.5%.

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.