Mark McCaughrean on Nostr: HEADS UP 👆 A significant aurora red alert in Europe right now. If you have a clear ...

HEADS UP 👆

A significant aurora red alert in Europe right now. If you have a clear northern horizon, go out NOW!

There’s a slight hint of pink in the north from Heidelberg right now, seen through a lot of cloud.

Maybe you’ll be luckier 🤞