Circle UFO Sightings in Colorado
288 circle-shaped UFO sightings reported in Colorado since 1952, peaking in 2013 (24 reports).
- Total sightings
- 288
- Span
- 1952–2022
- Peak year
- 2013 (24 reports)
- Dominant shape
- Circle
1952–2022 · peak 2013 (24 reports)
Thornton · CO, USA
Was driving home from a friends house. seen 4 lights in the sky that were flying west in a flashing red, and orange.. they disappeared
Greeley · CO, USA
While driving west on highway 34 business at about 65 Ave., we saw two identical lights flying together. They crossed our path in fro
Highlands Ranch · CO, USA
Red, white and blue flashing lights in the Eastern sky. ((NUFORC Note: Possibly Sirius?? PD))
Grand Junction · CO, USA
I stepped out to have some Colorado tobacco and faceing east towards the grandmesa I looked up and saw the orange glow of the sunset re
Longmont · CO, USA
White object traveling very fast NW to SE.
Denver · CO, USA
Blue/sphere of light.
Manitou Springs · CO, USA
3ft round silver ball hovering down street and moving in seemingly precise path.
Longmont · CO, USA
Little red circle moving in an out of air streak.
Gunnison area · CO, USA
Headed west on Highway 50. About 16 miles east of Gunnison CO saw large circular white light to the S, headed W at about 60 mph.
Johnstown · CO, USA
3 white circle objects.
Aurora · CO, USA
4th of July 2013 at 9:40pm Aurora, Co. 3 orange circles during firework seen by 4 people duration about 5 minutes
Broomfiled- Standley Lake · CO, USA
Lights over Standley Lake during fireworks.
Westminster · CO, USA
Observed three star like objects move at supersonic speeds, one made a u-turn and (N - S) then S - NEN!
Greeley · CO, USA
I saw a blue fire ball coming down to earth from the west.
Littleton · CO, USA
5 circular rotating lights in clouds over Littleton Colorado during storms
Littleton · CO, USA
Two, bright orb-like objects seen in sky; disappeared but photographed and noted a trail of parallel lines left by objects.
Henderson · CO, USA
Myriad of UFO’s captured; all seem to have the same form, except for three triangular shaped craft, orbs otherwise.
Denver · CO, USA
Silent and Fast-Moving Orange Orb Over Denver
Denver · CO, USA
Silver circle with black triangle ahead of storm.
Golden · CO, USA
A bright light dropped out of the bucket of the Big Dipper. It went from the South to the North then disappeared.
Colorado Springs · CO, USA
Colorado Springs sighting of multiple UFO's.
Limon · CO, USA
I was just off I-70 having just refueled my car, when I began down County Highway 24 South of Limon, Co. I immediately noticed two blue
Boulder · CO, USA
Falling bright green orb, lasted only seconds. Close to foothills. ((NUFORC Note: Possible meteor? PD))
Denver · CO, USA
Silver blue metallic spheres with glowing orange centers,under intelligent control./Denver.
Pueblo West · CO, USA
Red lights that were hovering in the north. 2 came first moving north to south. Appeared to hover in the sky.