Semi circle of lights hovering

I was sitting out on the steps on the deck of backyard. Through the trees, I saw a bright light and thought it was odd. I got up and saw a semi circle of lights on a hovering circle object. The lights were dull to bright, very slowly hovering left to right. I ran in to get my family, to show them out of disbelief. They too see the object and we alerted the neighbor who also came out to see the strange hovering object. It stayed in the area for a good 30 minutes before going higher in the sky and out of sight.
I also received clearer image from another person via fb that captures a clearer image. My phone doesn't catch night vision