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203508 sightings reported...
and growing

Denver, CO

Sighted on Tuesday 20. June 2017
Reported on
Shape: Light | Duration: 30 seconds
Source:

Red light observed under a thundercloud, stationary for a few seconds, then went straight down and changed from red to white.A thunderstorm was forming, no rain yet, a red light was observed below the cloud and was stationary for a few seconds, then it fell straight down, disappeared, and reappeared and turned white, then fell below the tree line.((NUFORC Note: This report was submitted on behalf of the eyewitness, who is very experienced in the airline industry, and who wishes to remain totally anonymous. The person who wrote the report has worked in the aerospace industry for many decades. PD))

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Top 100 nearest sightings ordered by sighting date (100 miles radius):

Location Sighted on Shape Duration
Location Sighted on Shape Duration
Aurora, Colorado (United States) 2020-05-23 Star-like 00:03:00
Aurora, Colorado (United States) 2020-05-18 Star-like 00:08:00
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Denver, Colorado (United States) 2020-05-16 Teardrop 00:20:00
Eaton, Colorado (United States) 2020-05-14 Cylinder 00:07:00
Eaton, Colorado (United States) 2020-05-14 Cylinder 00:07:00
Littleton, Colorado (United States) 2020-05-10 Cylinder 00:35:00
Parker, Colorado (United States) 2020-04-29 Disc 00:00:05
Aurora, Colorado (United States) 2020-04-29 Blimp 00:10:00
Westminster, Colorado (United States) 2020-04-28 Star-like 00:03:00
Aurora, Colorado (United States) 2020-04-28 Star-like 00:02:30
Parker, Colorado (United States) 2020-04-28 Other 00:01:00
Fort Collins, Colorado (United States) 2020-04-15 Sphere 05:00:00
Greeley, Colorado (United States) 2020-04-14 Disc 00:00:05
Colorado Springs, Colorado (United States) 2020-04-09 Cylinder 24:00:00
Aurora, Colorado (United States) 2020-04-04 Oval 00:00:03
Colorado Springs, Colorado (United States) 2020-03-25 Star-like 20:00:00
Bailey, Colorado (United States) 2020-03-25 Circle 00:05:00
Colorado Springs, Colorado (United States) 2020-03-25 Circle 00:00:10
Elizabeth, Colorado (United States) 2020-03-22 Circle 02:15:00
Woodland Park, Colorado (United States) 2020-03-21 Unknown 00:00:10
Westminster, Colorado (United States) 2020-03-21 Cigar 00:00:45
Parker, Colorado (United States) 2020-03-11 Sphere 01:00:00
Estes Park, Colorado (United States) 2020-03-08 Unknown 00:00:04
Fort Collins, Colorado (United States) 2020-03-06 Sphere 00:10:00
Denver, Colorado (United States) 2020-03-05 Star-like 00:05:00
Denver, Colorado (United States) 2020-03-05 Oval 00:08:25
Broomfield, Colorado (United States) 2020-03-05 Star-like 00:10:00
Englewood, Colorado (United States) 2020-03-05 Other 00:05:20
Longmont, Colorado (United States) 2020-03-05 Star-like 00:03:00
Berthoud, Colorado (United States) 2020-03-05 Star-like 00:02:00
Littleton, Colorado (United States) 2020-03-04 Star-like 00:12:00
Woodland Park, Colorado (United States) 2020-03-02 Blimp 00:00:02
Colorado, Colorado (United States) 2020-02-29 Square, Rectangular 00:02:00
Greeley, Colorado (United States) 2020-02-23 Other 01:01:10
Longmont, Colorado (United States) 2020-02-21 Circle 00:30:00
Longmont, Colorado (United States) 2020-02-17 Other 00:00:30
Lakewood, Colorado (United States) 2020-02-02 Boomerang 00:00:00
Denver, Colorado (United States) 2020-02-01 Triangle 00:00:20
Lakewood, Colorado (United States) 2020-02-01 Boomerang 00:00:20
Arvada, Colorado (United States) 2020-01-24 Other 00:05:00
Aurora, Colorado (United States) 2020-01-23 Unknown 00:05:00
Longmont, Colorado (United States) 2020-01-15 Circle 00:08:00
Colorado (United States) 2020-01-03 Unknown 00:00:00
Littleton, Colorado (United States) 2020-01-01 Circle 00:01:28
Littleton, Colorado (United States) 2019-12-30 Cigar 00:00:30
Idaho Springs, Colorado (United States) 2019-12-21 Star-like 00:10:00
Highlands Ranch, Colorado (United States) 2019-12-11 Unknown 00:10:00
Thornton, Colorado (United States) 2019-12-11 Unknown 00:10:00
Colorado Springs, Colorado (United States) 2019-12-10 Sphere 00:15:00
Denver, Colorado (United States) 2019-12-06 Other 01:00:00
Greeley, Colorado (United States) 2019-11-24 Unknown 00:05:00
Colorado Springs, Colorado (United States) 2019-11-18 Circle 00:02:00
Lakewood, Colorado (United States) 2019-11-17 Sphere 00:03:00
Berthoud, Colorado (United States) 2019-11-15 Star-like 00:30:00
Castle Rock, Colorado (United States) 2019-11-09 Triangle 00:10:00
Arvada, Colorado (United States) 2019-10-21 Star-like 00:00:00
Aurora, Colorado (United States) 2019-10-18 Star-like 00:01:00
Lakewood, Colorado (United States) 2019-10-15 Boomerang 00:00:30
Broomfield, Colorado (United States) 2019-10-11 Triangle 00:01:00
Greeley, Colorado (United States) 2019-10-08 Disc 00:06:00
Denver, Colorado (United States) 2019-10-08 Triangle 00:00:10
Thornton, Colorado (United States) 2019-10-07 Triangle 04:00:00
Castle Rock, Colorado (United States) 2019-09-26 Circle 01:05:00
Idaho Springs, Colorado (United States) 2019-09-26 Flash 00:00:01
Denver, Colorado (United States) 2019-09-20 Triangle 00:05:00
Pine, Colorado (United States) 2019-09-17 Unknown 00:10:00
Colorado (United States) 2019-09-15 Unknown 00:00:00
Berthoud, Colorado (United States) 2019-09-13 Oval 00:15:00
Colorado (United States) 2019-09-08 Unknown 00:00:00
Highlands Ranch, Colorado (United States) 2019-09-01 Other 00:05:30
Northglenn, Colorado (United States) 2019-08-31 Other 00:03:00
Arvada, Colorado (United States) 2019-08-31 Unknown 00:02:00
Aurora, Colorado (United States) 2019-08-26 Flash 00:06:00
Johnstown, Colorado (United States) 2019-07-25 Disc 01:15:00
Colorado (United States) 2019-07-04 Unknown 00:00:00
Westminster, Colorado (United States) 2019-05-24 Sphere 00:15:00
Westminster, Colorado (United States) 2019-05-24 Sphere 00:20:00
Milliken, Colorado (United States) 2019-05-11 Other 00:02:00
Castle Rock, Colorado (United States) 2019-04-30 Triangle 00:04:00
Breckenridge, Colorado (United States) 2019-04-30 Circle 00:00:40
Breckenridge, Colorado (United States) 2019-04-30 Circle 00:00:30
Denver, Colorado (United States) 2019-04-26 Other 00:03:30
Denver, Colorado (United States) 2019-04-26 Square, Rectangular 00:00:10
Glendale, Colorado (United States) 2019-04-20 Cigar 00:05:00
Colorado Springs, Colorado (United States) 2019-04-19 Circle 15:00:00
Aurora, Colorado (United States) 2019-03-08 Disc 00:00:20
Lakewood, Colorado (United States) 2019-02-16 Sphere
Westminster, Colorado (United States) 2019-02-01 Unknown
Aurora, Colorado (United States) 2019-01-20 Circle 00:00:02
Aurora, Colorado (United States) 2019-01-07 Circle 00:15:00
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Littleton, Colorado (United States) 2019-01-05 Oval 00:00:03
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Evans, Colorado (United States) 2018-12-28 Cylinder 04:00:00
Englewood, Colorado (United States) 2018-12-20 Sphere 00:02:00
Colorado (United States) 2018-12-19 Unknown 00:20:00
Colorado (United States) 2018-12-19 Unknown 00:20:00
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