Low aperture . As low as it can go its the 2 . 0 number . High ISO , but you want to balance it so it doesnt get too high and you get noise . longer shutter speed , 1015 ' White balance for incandescent to turn it back blue , stars will be yellow otherwisealso use the timer function . That button presss will affect clarity . If youre doin your car and want headlights . Have a friend hide in it and pop the lights on for less than a second . Theyll show up and not be overblown . You can also , from behind the camera swing a flashlight real quick overthe scene and foreground to expose it . If I was just trying to take a picture of the stars in complete darkness itd prolly be asomething like . 2 . 0 aperture . 32006400 ISO 1015 econds too long and you cant star trails , theres math to it , under 15 usually avoids it Incandescent white . Ya jjst gotta play around a whole lot . Aperture how much light is allowed inISO sensor sensitivity how many points a unit of light is weighted to Shutter speed how long light is allowed in White balance what white your camera shifts color to Sry for format cuz phone