Denver, CO, USA
Transparent red balloon/bubble thing with lights. Had intelligence
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: 5400s, a plausible sighting length
- Moderate witness text (66 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 2013-07-29
- Where
- Denver, CO, USA
- Shape
- Sphere
- Duration
- 1.5 hours
- Geo
- 39.739, -104.985 · exact
- Slug
- sphere-over-denver-co-2013-1c6d12
Part of a wave
The Navy Encounters & the UAP Era
U.S. training ranges (Pacific off San Diego; Atlantic off Virginia), then worldwide reporting
The wave that renamed the subject. The USS Nimitz 'Tic Tac' encounter (November 2004: radar drops from 80,000 ft to sea level in seconds, pilot visual by Cmdr. David Fravor, FLIR video) stayed classified-adjacent until…
Local cluster
3 reports came out of Denver, CO in July 2013 alone — a local cluster.
In context
- Denver, CO has 317 sightings on file here.
- 2013 brought 146 reports from Colorado.
- The 2010s skewed 7.1% sphere reports; the archive-wide figure is 6.5%.
Nearby in space & time
within 30 daysReport
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.