It's the third time in about a month that Morris County residents have reported seeing the lights.
The callers say they saw as many as 10 red lights floating in the sky, moving in unison and in the same direction as the wind from about 8:45 p.m. to 9 p.m.
Breaking news and the stories that matter to your neighborhood.
No one knows where the lights are coming from, but a Michigan-based maker of Sky Lanterns says it could be his product. The lanterns have balloons and wax-infused cloth and are set aloft during celebrations.