Unknown object was spotted in Novi, MI near 11 mile and Taft in the NW sky on Tuesday, April 16th around 8:45 p.m. Hovered and did aerial maneuvers for at least 20 mins changing directions at high rates. Eventually drifted too low to observe. If anyone has any information on what this could be please contact @s_kish (twitter). This video was shot from his front yard.