“(Just lens flares, but interesting someone is passing them around, again, and more so interesting people are buying it. New photo, same lens flare ‘phenomenon’.)” The alleged UFO sighting ...

and Flares being the best choices to create realistic lens flares in your image. You might also find some luck in the Nature, ...

Zoom lenses, which contain several elements, tend to introduce more lens flare due to the many surfaces within the lens. See purple fringing and chromatic aberration. THIS DEFINITION IS FOR ...