Capturing the Louisville Skyline was simple. It was just a matter of when to take the photographs due to the lighting. Here's some of what they captured:
Their next goal wasn't as simple, as the sun not only shifted further out of their sight but also changed colors as it lowered. Here's some of what they captured.
They were also able to capture a CSX train crossing the Ohio River RailRoad Bridge (Louisville-Indianan Railway) while the sun set slowly.