Location of Sighting: Denver, Colorado
Date of Sighting: September 16, 2017
Time of Sighting: 9:15 PM MDT
Description: It was approximately 9:15 PM on Saturday, Sep 16th, 2017 in Denver, Colorado. I was on my patio and looking up into the sky and I saw 4 white lights that went in a big circle all at one time and it seemed when they reached the same spot every time they would all span off in different directions then form the same circle pattern and repeat the spanning off and circling. It lasted a good 45 minutes. I saw it once before on the 29th of July. It only appears to do this behind a huge cloud. When the cloud is gone, so are the lights. Note to Commenters: If you are reporting a sighting, be sure to include the location (city, state, country), date and time of your sighting. Be detailed in your description. You may also use our report form to report your sighting. Comments will be published if they are in "good taste" and not inflammatory.
I wonder if the cloud could be a storm cloud. From what I am finding out the lights may be electrical created by the storm cloud which disappear when the cloud does.
It doesn’t sound like lightning. UFO activity sometimes is associated with clouds.