1.W alking in town center between 10-11:30 PM2.Fast light moving on sky watched because it was a possible rainy day3.I was thinking is a fast light projected from ground4. Cloud like shape object moving fast and disappearing after 2-4 seconds, with random mouvements, mainly straight but in different location on sky.Colour of night sky seems to change in the area.5.It feels like we are monitored by an unknown entity.6.object seems to appear and disappear in different sky location, randomly.