She said she would remind them that "it's not the sun actually setting. It is the Earth rotating out of the light into the darkness."
The event lures photographers with fancy lenses and regular New Yorkers and tourists who do not hesitate to stand in the streets for a few minutes, blocking traffic.
Patrick Batchelder, a 59-year-old photographer, said that what matters is sharing the special moment with others.
"The picture itself is not so important, just being around the crowd and seeing something unique in New York City," he said.