This was captured a couple of years ago.
It's a sequence of 425 images. There was a 5 sec interval between each shot (captured over roughly 4 hours). The bright light on the horizon is the city of Ballina, NSW, Australia.
Foreground illuminated by the verandah lights of my house.
Edited in LRTimelpase, Lightroom and After Effects
Exif:
10mm, f/4.5
ISO-3200, 30sec