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204880 sightings reported...
and growing

Fort Collins, CO

Sighted on Thursday 11. August 2016
Reported on
Shape: Cylinder | Duration: 10 seconds
Source:

The brightest, largest light we have ever seen was moving near the ground from East to West at the speed of a jet, flashing every half second until it disappeared out of our sight line.

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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
Greeley, CO 2023-11-22 Round, blinking Hour or more
rocky mountain np 2023-07-24 saucer 15 secs
1432 West Co Road 68, Fort Collins, Colorado, USA 2023-06-29 Clouds have lots and lots of faces As long as weird storms last. It is thought that The storms coincide with transporting alien craft.
Boulder Colorado 2022-09-20 Don't know 10 minutes
Brighton Colorado 2022-07-05 Ball More then one min
Brighton Colorado 2022-07-05 Ball Over 2 min
Westminster, Colorado (United States) 2020-06-04 Unknown 00:00:30
Lakewood, Colorado (United States) 2020-05-30 Cylinder 00:15:00
Aurora, Colorado (United States) 2020-05-25 Boomerang 10:32:00
Aurora, Colorado (United States) 2020-05-23 Star-like 00:03:00
Aurora, Colorado (United States) 2020-05-18 Star-like 00:08:00
Arvada, Colorado (United States) 2020-05-18 Unknown 02:00:00
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
Aurora, Colorado (United States) 2020-04-29 Blimp 00:10:00
Westminster, Colorado (United States) 2020-04-28 Star-like 00:03:00
Fort Collins, Colorado (United States) 2020-04-15 Sphere 05:00:00
Greeley, Colorado (United States) 2020-04-14 Disc 00:00:05
Laramie, Wyoming (United States) 2020-03-25 Star-like 00:05:00
Westminster, Colorado (United States) 2020-03-21 Cigar 00:00:45
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 Oval 00:08:25
Broomfield, Colorado (United States) 2020-03-05 Star-like 00:10:00
Longmont, Colorado (United States) 2020-03-05 Star-like 00:03:00
Berthoud, Colorado (United States) 2020-03-05 Star-like 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
Longmont, Colorado (United States) 2020-01-15 Circle 00:08:00
Idaho Springs, Colorado (United States) 2019-12-21 Star-like 00:10:00
Aurora, Colorado (United States) 2019-12-16 N, A 00:00:03
Thornton, Colorado (United States) 2019-12-11 Unknown 00:10:00
Denver, Colorado (United States) 2019-12-06 Other 01:00:00
Greeley, Colorado (United States) 2019-11-24 Unknown 00:05:00
Lakewood, Colorado (United States) 2019-11-17 Sphere 00:03:00
Berthoud, Colorado (United States) 2019-11-15 Star-like 00:30:00
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
Wellington, Colorado (United States) 2019-09-26 Diamond 00:00:15
Denver, Colorado (United States) 2019-09-20 Triangle 00:05:00
Berthoud, Colorado (United States) 2019-09-13 Oval 00:15:00
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
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
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
Aurora, Colorado (United States) 2019-03-08 Disc 00:00:20
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
Greeley, Colorado (United States) 2019-01-05 Triangle 00:00:30
Evans, Colorado (United States) 2018-12-28 Cylinder 04:00:00
Evans, Colorado (United States) 2018-12-28 Cylinder 04:00:00
Denver, Colorado (United States) 2018-12-15 Sphere 00:02:00
Denver, Colorado (United States) 2018-12-15 Sphere 00:02:00
Denver, Colorado (United States) 2018-12-15 Sphere 00:02:00
Denver, Colorado (United States) 2018-12-15 Sphere 00:02:00
Fort Collins, Colorado (United States) 2018-10-23 Boomerang 00:00:10
Fort Collins, Colorado (United States) 2018-10-22 N, A 00:00:02
Denver, Colorado (United States) 2018-09-30 Fireball 00:05:00
Denver, Colorado (United States) 2018-08-27 Unknown 00:00:12
Granby, Colorado (United States) 2018-08-25 Boomerang 00:02:00
Arvada, Colorado (United States) 2018-08-19 Unknown 00:03:00
Broomfield, Colorado (United States) 2018-08-18 Sphere 00:28:00
Arvada, Colorado (United States) 2018-07-15 Flash 00:00:30
Edgewater, Colorado (United States) 2018-07-14 Cylinder 00:01:37
Fort Collins, Colorado (United States) 2018-07-11 Sphere 00:30:00
Denver, Colorado (United States) 2018-06-06 Fireball 00:01:00
Berthoud, Colorado (United States) 2018-05-26 Boomerang 00:00:12
Berthoud, Colorado (United States) 2018-05-24 Other 00:00:12
Golden, Colorado (United States) 2018-05-21 Cylinder 03:00:00
Arvada, Colorado (United States) 2018-05-01 Unknown
Westminster, Colorado (United States) 2018-04-23 Other 01:00:00
Denver, Colorado (United States) 2018-04-20 Triangle 00:00:10
Aurora, Colorado (United States) 2018-04-07 N, A 00:02:01
Northglenn, Colorado (United States) 2018-03-04 Circle 00:01:00
Fort Collins, Colorado (United States) 2018-02-25 Circle 00:00:10
Loveland, Colorado (United States) 2018-02-24 Disc
Denver, Colorado (United States) 2018-02-11 Other 00:01:00
Denver, Colorado (United States) 2018-02-06 Other 00:04:00
Denver, Colorado (United States) 2018-01-01 Sphere 00:00:20
Boulder, Colorado (United States) 2018-01-01 Circle 00:00:50
Denver, Colorado (United States) 2017-12-09 Other 00:04:00
Aurora, Colorado (United States) 2017-12-09 Sphere