I’m assuming swiss german “Wüetisheer” is the “same thing”

Yes, definitely! And the wild hunt is basically another name for phenomena.

Oh cool. And Thanks!

If your translation is true, it could track with what we know from other folkloric sources at the same time, even if the exact details are a bit embelished. There are other texts that describe people swearing on the sun or moon, giving special attention to the full or new moon when rituals or certain actions are to be performed. Or watching the sun rise on certain special days.