The Blue Dots are Abandoned Human Colonies.
The Green Dots are Ork Colonies, Mildly Hostile.
The Green Circles with a Line through them are Ul'damnian Colonies, Neutral for time being.
The Large Red Lines Stating Hive Fleets are Tyranid Hive-Fleets, Hostile.
The Red Dots are Chaos Worlds, -extremely- hostile.
The Grey Triangles are worlds that are no longer habitable but show signs that they once were.
Whenever this is discovered. Here's the basics of this System.
Each Faction will have a Limit of spending 3Billion Credits within the First Month of this Post.
So All 'Major' Factions have 3billion, all 'Minor' Factions have 1 billion.
All the Blue Systems are For sale.
Each System in the Segmentum Solar, is worth 150,000,000 Credits.[Except Holy Terra, which is Worth 2 Billion]
Each System in the Segmentum Pacificus is worth 125,000,000 Credits.
Each System in the Segmentum Obscurus is worth 100,000,000 Credits.
Each System in the Segmentum Ultima is worth 150,000,000 Credits.
Each System in the Segmentum Tempestus is Worth 200,000,000 Credits.
Realm of Ultrimar Systems are Worth 75,000,000 Credits.
Systems in the Ocularis Terribus are Worth 1 Billion Each, Since each has enough defenses to hold off Ground invasions for years, and enough factories to build a Fleet within a Year.