The term is also used to describe lens flares created from pointing cameras towards a bright light source, an out of focus light, and is also a dust particle that floats in front of a camera with a bright light seen in ghost investigations.
According to openminds.tv,
there exists another class of objects that science has yet to fully
explain which seem to be a naturally recurring phenomena that are seen
in certain geographic areas with increased frequencies (almost nightly)
than the objects previously mentioned....<<<Read More>>>...