He said on November 1, his daughter held a remembrance service for her stillborn child who died last year.
"It was just on dark, about 9pm, when they let about nine of those Chinese-type lantern things off into the sky.
"They headed up toward Pukehangi Rd but then they floated back toward the Challenge petrol station before they went up into the sky and disappeared."
Challenge petrol station worker Michelle, who witnessed the lights along with a number of petrol station customers, said she thought the explanation was sensible.
"It's a bit of a shame really, but it does sound pretty reasonable to me.
"At least I know I'm not mad," she said.
If you think you have seen something strange in the night sky, contact Suzanne Hansen at UfocusNZ at www.ufocusnz.org.nz