CaseSphere1987
Black Hawk, CO, USA
spheroid, leading edge shimmering red, main body whitish yellow, low altitude
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: 300s, a plausible sighting length
- Moderate witness text (77 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1987-01-31
- Where
- Black Hawk, CO, USA
- Shape
- Sphere
- Duration
- about 5 min
- Geo
- 39.797, -105.494 · exact
- Slug
- sphere-over-black-hawk-co-1987-87f28d
In context
- Black Hawk, CO has 2 sightings on file here.
- 1987 brought 5 reports from Colorado.
- The 1980s skewed 8.1% 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.