A hot air balloon at night doing a “balloon glow”, the propane burner that heats the air inside the balloon lights it up and night and makes it glow.
Taken at the Prescott Valley, Az balloon festival 9/6/2014
A hot air balloon being inflated at night. The 8 second exposure catches the balloon moving in the wind and people moving around.
More photos from the balloon festival are here: https://www.flickr.com/photos/dagnygromer/sets/72157647284006936/