rectangular light changed colors to half circle as well as shape in eastern sky from northern CaliforniaNot sure what it was or if it was a craft. It was sighted in the southeast sky staying stationary. To the naked eye it looked like a rectangular light. Upon investigating further and using binoculars it was illuminated and changing shape. From a half circle with something in the background that looked like a sheet blowing in wind behind it. It changed color from yellow to red orange light then yellow again. It slowly drifted north staying in the eastern sky. It gradually disappeared from view. changing shape size and color. Aircraft were flying in the vincinity but were NOT chasing it! The object was a light in itself almost