With the notable exception of the Xi Provisional Galaxy, the Nova Cats tend to paint their ‘Mechs in appropriate camouflage. After all, the nova cat is a subtle hunter. – per FM:ComStar, pg 113
In hopes of appeasing this Galaxy, Khan West allowed them to choose their own Cluster names and insignia. The insignia of Zeta Galaxy is the world of Barcella, the previous Nova Cat capital, sundered by a dagger star. Per FM: ComStar, page 124.