https://www.creativelive.com/class/night-photography-post-processing-techniques-tim-cooper

Taking photos at night presents some obvious problems. Shadows, underexposure, blurring and lack of light can all conspire to ruin a perfectly lovely scene. But good Adobe® Photoshop® and Adobe® Lightroom® post-processing techniques can take a deeply flawed night image and give it new life. In this class, night photography expert Tim Cooper will show you how to deal with common night photography issues through image deconstruction, Blend Modes, layers and masks, color fill layers and other retouching tools.