Forgotten Core Assembly Hall

Forgotten Core Assembly Hall - Magnetometric
Class 6 Archaeology or Salvage Site
NPCs - Hostiles

First Encounter
Emergent Sentinel x5 (Frigate Class - )
Sleepless Sentinel x2 (Battleship Class - )
Sleepless Keeper x2 (Battleship Class - )
Sleepless Warden x3 (Battleship Class - )
Orthrus x6 (Platform)

Killing the last Sleepless Warden triggers the next spawn.

First Wave
Awakened Keeper x6 (Cruiser Class- )
Sleepless Keeper x3 (Battleship Class - )
Sleepless Sentinel x2 (Battleship Class - )
Sleepless Warden x1 (Battleship Class - )

Killing the Sleepless Warden triggers the next spawn.

Second Wave
Awakened Warden x6 (Cruiser Class - )
Sleepless Keeper x3 (Battleship Class - )
Sleepless Sentinel x2 (Battleship Class - )
Sleepless Warden x2 (Battleship Class - )

Killing the last Sleepless Warden triggers the next spawn.

Third Wave
Awakened Sentinel x6 (Crusier Class - )
Emergent Sentinel x10 (Frigate Class - )
Sleepless Guardian x6 (Battleship Class - )

Misc Info
Forlorn Sleeper Artifact x10

Examples of Loot from these containers
Intact / Malf Parts for T3 (?)

(Source)