What's this strange spiral of light in the night sky: aliens or SpaceX?

A weird blue spiral of light, captured on photo in the night sky?

As much as we might want it to be, we know by now that it's not aliens (it's never aliens, OK?).

But little green men aside, the phenomenon captured over Rakiura (or Stewart Island) in New Zealand by Twinkle Day Dark Sky tours stargazing guide Alasdair Burns...