While trying to image the Milky Way arch over Lake Wanaka, I managed to capture some stunning Lightning Sprites or Red Sprites over an incoming thunderstorm. These sprites were right in front of the Galactic Core.

Nikon D750 (astromodified)
Samyang 24 mm f/1.4 lens
f/1.8, 20 seconds, ISO 2500

Processed in Lightroom and Photoshop