-

204935 sightings reported...
and growing

Berthoud, Colorado (United States)

Sighted on Thursday 09. April 2009
Reported on
Shape: Sphere | Duration: Undisclosed
Source:

I was driving north on I-25 near Berthoud. I was admiring the sun setting behind Longs Peak, so this occurred within a few minutes of sunset. I looked to the north west about 15 - 20 degrees of Longs Peak when I noticed a small silver dot in the sky, within about a minute it grew, about triple it's original size. Picture a pencil eraser about 20 feet away, that's about how big this silver object grew. I noticed the silver color, there appeared to be no reflection from the sunset.It was a sphere, and it was present for about 3 minutes, when it shrunk in size and disappeared.A couple of minutes later I noticed an airplane, about 15 degrees further north from where I saw the sphere, It's contrail was visible but the plane was very very small. The plane was about one quarter the size of the sphere at it's largest.I watched the sky for a few minutes longer, while trying to still drive, but did not see this again.Could this simply have been a refraction of a reflection of the sunlight off of the plane? I don't know. I'm curious.Never seen it or heard of anything like it.

comments powered by Disqus

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
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
Aurora, Colorado (United States) 2020-04-04 Oval 00:00:03
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
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
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
Aurora, Colorado (United States) 2019-12-16 N, A 00:00:03
Highlands Ranch, Colorado (United States) 2019-12-11 Unknown 00:10:00
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
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
Berthoud, Colorado (United States) 2019-09-13 Oval 00:15:00
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
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
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
Greeley, Colorado (United States) 2019-01-05 Triangle 00:00:30
Littleton, Colorado (United States) 2019-01-05 Oval 00:00:03
Evans, Colorado (United States) 2018-12-28 Cylinder 04:00:00
Evans, Colorado (United States) 2018-12-28 Cylinder 04:00:00
Englewood, Colorado (United States) 2018-12-20 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
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
Littleton, Colorado (United States) 2018-10-19 Star-like 00:11:09
Aurora, Colorado (United States) 2018-10-03 Star-like 00:06:00
Denver, Colorado (United States) 2018-09-30 Fireball 00:05:00
Aurora, Colorado (United States) 2018-09-08 Flash 00:00:03
Idaho Springs, Colorado (United States) 2018-09-07 Oval 03:00:00
Denver, Colorado (United States) 2018-08-27 Unknown 00:00:12
Granby, Colorado (United States) 2018-08-25 Boomerang 00:02:00