Greeley, CO
|
2023-11-22
|
Round, blinking
|
Hour or more
|
Eaton, Colorado (United States)
|
2020-05-14
|
Cylinder
|
00:07:00
|
Eaton, Colorado (United States)
|
2020-05-14
|
Cylinder
|
00:07:00
|
Greeley, Colorado (United States)
|
2020-04-14
|
Disc
|
00:00:05
|
Greeley, Colorado (United States)
|
2020-02-23
|
Other
|
01:01:10
|
Greeley, Colorado (United States)
|
2019-11-24
|
Unknown
|
00:05:00
|
Greeley, Colorado (United States)
|
2019-10-08
|
Disc
|
00:06:00
|
Wellington, Colorado (United States)
|
2019-09-26
|
Diamond
|
00:00:15
|
Johnstown, Colorado (United States)
|
2019-07-25
|
Disc
|
01:15:00
|
Milliken, Colorado (United States)
|
2019-05-11
|
Other
|
00:02:00
|
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
|
Sterling, Colorado (United States)
|
2018-12-24
|
Sphere
|
|
Akron, Colorado (United States)
|
2018-07-07
|
Other
|
02:00:00
|
Eaton, Colorado (United States)
|
2017-08-21
|
Star-like
|
00:00:02
|
Nunn, Colorado (United States)
|
2017-08-20
|
Sphere
|
02:02:11
|
La Salle, Colorado (United States)
|
2017-07-31
|
Other
|
00:10:00
|
Weld County (rural), CO
|
2017-07-03
|
Circle
|
30 minutes
|
Eaton, CO
|
2017-06-24
|
Disk
|
10 seconds
|
Evans, Colorado (United States)
|
2017-06-18
|
Egg
|
00:06:00
|
Greeley, Colorado (United States)
|
2017-06-06
|
Triangle
|
|
Evans, CO
|
2017-05-14
|
Triangle
|
30 seconds
|
Milliken, Colorado (United States)
|
2017-03-22
|
N, A
|
00:15:00
|
Eaton, CO
|
2017-02-23
|
Circle
|
1-2 minutes
|
Greeley, CO
|
2016-12-24
|
Unknown
|
20:00
|
Gilcrest, CO
|
2016-11-11
|
Teardrop
|
~5 seconds
|
Greeley, CO
|
2016-11-11
|
Sphere
|
2-3 minutes
|
Greeley, CO
|
2016-08-30
|
Sphere
|
10 seconds
|
Windsor, CO
|
2016-07-04
|
Cone
|
|
Greeley, CO
|
2016-06-01
|
Light
|
2 minutes
|
Milliken, CO
|
2016-05-27
|
Fireball
|
1 minute
|
Greeley, CO
|
2016-05-22
|
Triangle
|
2 minutes
|
Johnstown, Colorado (United States)
|
2016-05-11
|
Star-like
|
Undisclosed
|
Greeley, CO
|
2016-05-09
|
Triangle
|
1 hour+
|
Greeley, CO
|
2016-05-09
|
Triangle
|
15 minutes
|
Evans, CO
|
2016-05-03
|
Triangle
|
15 seconds
|
Greeley, CO
|
2016-05-01
|
Triangle
|
1 hour
|
Sterling, CO
|
2016-04-26
|
Fireball
|
30 seconds
|
Greeley, CO
|
2016-03-12
|
Circle
|
3-4 minutes
|
Greeley, CO
|
2016-02-17
|
Fireball
|
5 minutes
|
Greeley, CO
|
2016-02-04
|
Unknown
|
10 seconds
|
Brush, Colorado (United States)
|
2016-01-02
|
Fireball
|
00:01:00
|
Gill, CO
|
2015-12-27
|
Cigar
|
1 minute
|
Greeley, CO
|
2015-11-23
|
Light
|
3 minutes
|
Hillsdale, Wyoming (United States)
|
2015-11-07
|
Unknown
|
12 minutes
|
Wellington, Colorado (United States)
|
2015-10-31
|
Triangular
|
15 seconds
|
Greeley, CO
|
2015-09-27
|
Triangle
|
7 seconds
|
Greeley, CO
|
2015-09-12
|
Light
|
20 minutes
|
Greeley, CO
|
2015-09-12
|
Other
|
~5 minutes
|
Greeley, CO
|
2015-09-12
|
Light
|
still visible
|
Greeley, CO
|
2015-09-12
|
Formation
|
15 minutes
|
Greeley, CO
|
2015-09-12
|
Circle
|
~5 minutes
|
Evans, CO
|
2015-09-11
|
Formation
|
5 seconds
|
Evans, Colorado (United States)
|
2015-09-08
|
Chevron
|
Undisclosed
|
Evans, CO
|
2015-09-08
|
Triangle
|
15 seconds
|
Weldona, CO
|
2015-07-18
|
Cylinder
|
45 seconds
|
Greeley, CO
|
2015-07-04
|
Light
|
2 minutes
|
Greeley, Colorado (United States)
|
2015-06-27
|
Star-like
|
00:01:00
|
Eaton, Colorado (United States)
|
2015-06-18
|
Fireball
|
Undisclosed
|
Keenesburg, Colorado (United States)
|
2015-05-27
|
Cylinder
|
Undisclosed
|
Wellington, Colorado (United States)
|
2015-05-17
|
Sphere
|
Short period then disappeared
|
Wellington, CO
|
2015-04-29
|
Light
|
4 minutes
|
Greeley, Colorado (United States)
|
2015-02-18
|
Circle
|
00:06:30
|
Greeley, Colorado (United States)
|
2015-02-18
|
Circle
|
00:06:30
|
Cheyenne, Wyoming (United States)
|
2014-10-20
|
Other
|
Undisclosed
|
Greeley, CO
|
2014-09-03
|
Light
|
|
Milliken, Colorado (United States)
|
2014-08-20
|
Orb
|
3 min
|
Greeley, CO
|
2014-08-16
|
Circle
|
30
|
Greeley, CO
|
2014-08-16
|
Circle
|
30
|
Greeley, CO
|
2014-08-15
|
Triangle
|
10
|
Greeley, CO
|
2014-08-15
|
Triangle
|
10
|
Fort Lupton, Colorado (United States)
|
2014-07-31
|
Triangle
|
00:02:00
|
Cheyenne, Wyoming (United States)
|
2014-07-22
|
Star-like
|
Undisclosed
|
Greeley, Colorado (United States)
|
2014-07-06
|
Other
|
Undisclosed
|
Windsor, CO
|
2014-05-28
|
Rectangle
|
30 seconds
|
Windsor, CO
|
2014-05-28
|
Rectangle
|
30 seconds
|
Greeley, CO
|
2014-05-07
|
Rectangle
|
5 minutes
|
Greeley, CO
|
2014-05-07
|
Rectangle
|
5 minutes
|
Eaton, CO
|
2014-05-01
|
Boomerang
|
10 seconds
|
Greeley, Colorado (United States)
|
2014-03-12
|
Sphere
|
Undisclosed
|
Greeley, CO
|
2013-12-29
|
Circle
|
3 minutes
|
Wellington, CO
|
2013-12-27
|
Changing
|
25 minutes
|
Sterling, CO
|
2013-12-14
|
Rectangle
|
10-15 seconds
|
Wellington, CO
|
2013-10-25
|
Unknown
|
45+ minutes
|
Greeley, Colorado (United States)
|
2013-10-01
|
Star-like
|
00:00:35
|
Johnstown, CO
|
2013-08-23
|
Light
|
5 seconds
|
Johnstown, CO
|
2013-08-23
|
Circle
|
10 seconds
|
Briggsdale, Colorado (United States)
|
2013-07-04
|
Circle, Star-like, Unknown
|
Undisclosed
|
Grover, Colorado (United States)
|
2013-06-25
|
Sphere
|
00:05:00
|
Iliff, Colorado (United States)
|
2013-06-23
|
Boomerang
|
Undisclosed
|
Greeley, CO
|
2013-06-09
|
Circle
|
3-5 seconds
|
Keenesburg, Colorado (United States)
|
2013-05-17
|
Fireball
|
Undisclosed
|
La Salle, Colorado (United States)
|
2013-01-17
|
Triangle
|
00:00:15
|
Greeley, CO
|
2013-01-05
|
Oval
|
2
|
Nunn, CO
|
2012-12-04
|
Triangle
|
4 minutes
|
Greeley, Colorado (United States)
|
2012-11-05
|
Boomerang, Star-like
|
00:00:10
|
Greeley, Colorado (United States)
|
2012-10-21
|
Unknown
|
Undisclosed
|
Gill, Colorado (United States)
|
2012-09-04
|
Circle
|
Undisclosed
|