This is just a place holder until @Bettina-Löffler has the maps ready. Please fill free to discuss the event until then.

Startbonus: 400 coins

Collections: 600 coins every 8 hours = Total: 5800

For collecting times check this.

We can get additional coins from a quest and Dragon TV.

Dragons:

Howl #111 (6 pieces)

Rem #351 ( 7 pieces)

Lady Luna (New) #1366 (10 pieces)

First map is for Lady Luna and 4 chests. Costs 5695 coins.

Second map is empty for your own calculations.

Third map is for those who can collect or want to spend 6870 coins. There you can get all pieces of Lady Luna and all Lunar chests.