It was about 10 at night and my youngest son had walked into his room to get ready for bed. he had not turned on his bedroom light and was reaching for his window blind when he looked out of his window which faces the mountains. he called for myself and his older brother to come and look at these lights outside. we went and proceeded to see these orbs of light. they were ball shape, reddish-orange in color. we could not hear any noise because we did not think to raise the window. the orbs were in a formation, not close together but something you would think that military planes would do. they moved towards the mountains slowly then disappeared. then another group seemed to come up from the horizon. same formation, same number of orbs. we could not see clearly where they rose from because of trees that are on our property. the three of us seen this happened twice but my youngest son seen it happen before he called for us. during his first sighting of the orbs, he said that there was 5 orbs in formation, 2 of the orbs emerged into 2 other orbs making just 3 orbs before moving and disappearing. i myself seen 2 orbs merge when i first looked out the window. my oldest son tried to record it with his phone but it did not record very well.