I got invited to a Celesteela raid, unfortunately we're not getting Beast Balls : r/pokemongo

Celesteela and Kartana in 5-star Raid Battles - Leek Duck

The Team Go Rocket Takeover event is FINALLY here, and with it

Celesteela and Kartana in 5-star Raid Battles - Leek Duck

Pokemon GO: A Complete Pokedex (December 2023)

German Pokémon GO Twitter posts about Celesteela : r/TheSilphRoad

How to catch Celesteela in Pokémon GO - Pro Game Guides

Can you catch an Ultra Beast in Pokémon? - Quora

Pheromosa Pokémon GO Raid Battle Tips

Kartana Raid Guide (Ultra Beast)

Ultra Beast poster found, with a QR code leading to a countdown