This is a basic edit–the lucky shot itself is the best part of this photo. The double sunset is a result of Ice formation in the clouds to the right. The Sun setting to the left illuminated the ice crystals creating the illusion of a double sunset.
The role of illusion in perspective and sight is what makes a particular work of art special because of what Nature provides. I like this type of image because it feels like a cooperation between the universe and my micro-vision.
More than anything, I enjoy the surprise of nature. Even to the point of impermanence, I am delighted to live with the knowledge that all suns set in the end. Some set beautifully, as this one did.