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203819 sightings reported...
and growing

Castle Rock, Colorado (United States)

Sighted on Thursday 19. February 2009
Reported on
Shape: Star-like, Triangle | Duration: Undisclosed
Source:

Intensly bright light, triangular shape visible behind with binoculars, twice the size of red lights on passing plane. Visible for over 45 minutes now and still there. If you live near Castle Rock, CO look out your window!I am filing this for a friend that wishes to remain anonymous.

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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
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Denver, Colorado (United States) 2020-05-16 Teardrop 00:20:00
Littleton, Colorado (United States) 2020-05-10 Cylinder 00:35:00
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Aurora, Colorado (United States) 2020-04-29 Blimp 00:10:00
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Colorado Springs, Colorado (United States) 2020-04-09 Cylinder 24:00:00
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Longmont, Colorado (United States) 2020-02-21 Circle 00:30:00
Longmont, Colorado (United States) 2020-02-17 Other 00:00:30
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Denver, Colorado (United States) 2020-02-01 Triangle 00:00:20
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Arvada, Colorado (United States) 2020-01-24 Other 00:05:00
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Denver, Colorado (United States) 2019-12-06 Other 01:00:00
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Denver, Colorado (United States) 2019-10-08 Triangle 00:00:10
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