airglow

Airglow in New York City with an infrared camera

New York City’s Invisible ‘Airglow’ Comes Alive in Infrared

Airglow, not to be confused with auroras, is a colorful atmospheric phenomenon typically visible to typical cameras only in very dark and clear night sky conditions. The sky above New York City definitely doesn't qualify as "dark," but that doesn't mean it's impossible to photograph airglow, as Ty Buckley has shown in new YouTube videos.