LOL... I'll try to attach what I achieved last night here... ignore my crappy terrain, i just had to cover up the black hole at the bottom of the images LOL.

I did the streaking at the bottom, and added in a new aurora layer, had to play with the offset/rotate/scale node ... totally lost the aurora a few times (they went heavens only knows where).... but I am EXTREMELY happy with the results once I finally rounded up my wandering pink aurora....

crossing fingers  hopefully this works....

Rarer than a hairy egg and madder than a box of frogs....

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