The twilight zone
Here are a few things to keep in mind should you decide to catch the last light of the day:
The sky slowly takes on a deeper blue cast as night approaches. From about 20 to 40 minutes past sunset is the ideal time to catch the deep indigo color of the sky.
You’ll need a tripod or some other device to keep the camera stock-still during the exposure, which will be quite long.
The rule of thumb I use in positioning the camera – set up low. I usually stay within 14 inches of the ground when shooting night and twilight scenes. The low angle adds to the drama.
If you have a camera with manual settings, I use a one-second exposure at f5.6 using 100 ISO. If you’re using a digital point and shoot, set the exposure to about -1.5 to -2. Autoexposure will want to lighten the photo. Don’t let it.
Embrace the blur. If you can, stop down your lens and increase exposure time. Moving clouds will be rendered as streaks of light in the sky. Waves on the beach will become a ghostly mist.
It takes a fair bit of experimenting to become adept at twilight shooting and many mistakes will be made. But learn from them and over time, catching low-light photos will become second nature.