Just a small selection of my analog northern lights work, done with my Silvestri S4 large format camera on 6x9/6x7 film (last 2 done with the Dayi 6x17). It´s really hard to get that intensive colours the digital ones have, but I think these ones are much closer to reality...
 
Used film materials: Fuji Provia 400X / Kodak Portra 400