Sky Kiss of the Purple Orb Lovers?

Photo date: September 11, 2015. Photographer: Mark Mahin.

The photo below was taken in New York City. We see two mysterious purple orbs floating in the sky. It is as if they are kissing each other.

There was no fog, mist, rain or precipitation on this night. The air quality listed on airnow.gov was "good," with a rating of 33.