UFO Sighting reported 9/7/2017 over west end Billings, MT, at 10:00 P.M. until 11:00 P.M. UFO was egg shaped, glowing grey-blue, with flashing lights (red, blue, green). UFO had ring of small white lights around circumference in 3 bands. UFO hovered in place for close to 30 minutes, then slowly moved west and north out of site. UFO Sighting was observed with naked eye, but required spotting scope to see details mentioned above. Skies were clear with a little smoke caused by fires in Montana. source nuforc.org