This charts show the effect of aperture on the size of the starbursts. As you can see, the smaller the aperture, the more emphasized the starburst. The same concepts apply during the daytime as they do during the night time.
use one tool in photoshop - Curves to lighten up your images, but it can make your colors and contrast pop by making an S curve. To do that, just add a second point in the curves window, and drag it down a bit.