While getting my child ready for bed my neighbor knocked on my door for me to come out to view something weird. I went outside and looked to the south and noticed a bright green glow in the sky. It hovered for about 5-8 minutes then darted to the west and just stopped. The unknown object then continued to hover for another few seconds and then moved to the east. The unknown light then elevated to a height that appeared to be about 1/2 mile high. It then decended and disappeared.