Denver, CO, USA
My family and I first saw a circular formation of strobing red lights. We decided to stop and look and the formation changed. They star
Report quality: High73/100
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: 1200s, a plausible sighting length
- Detailed witness text (135 characters)
- Location geocoded exactly
- 2 other reports from the same city within 3 days
- When
- 2017-12-09
- Where
- Denver, CO, USA
- Shape
- Changing
- Duration
- 20+minutes
- Geo
- 39.739, -104.985 · exact
- Slug
- changing-over-denver-co-2017-eb071e
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
December 2017 was a busy month for Denver, CO: 3 separate reports.
In context
- This is one of 317 reports logged in Denver, CO.
- This case is one of 162 Colorado reports filed in 2017.
- Changing craft made up 2.4% of 2010s reports, vs 2.5% across the whole archive.
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.