Another AU inquiry:
I don't believe we saw anything to do with our Princess of the Night when looking through what's already there on you AU website.
Hath Luna been banished to a farm upstate to live happy ever after? Or does this new queen have more intrigue?
Eheheheheheh I'm very glad you asked!
First and most importantly: our current position on the timeline is about half a year before the Friendship is Magic pilot, and the associated Nightmare Moon incident.
Second and more mysteriously: the Princess Celestia mentioned in the newspaper is not the sister of our dear beloved moon princess.