The Line

The Line - Cosmic Anomaly
Class 1 Complex Site
NPC Hostiles

First Encounter
Emergent Watchman x3 (Frigate Class - )
Emergent Patroller x4 (Frigate Class)
Awakened Watchman x1 (Cruiser Class - )

Killing the Awakened Watchman spawns another wave.

First Wave
Awakened Patroller x2 (Cruiser Class)
Emergent Escort x3 (Frigate Class - )

Killing the Awakened Patroller triggers another wave of attacks.

Second Wave
Awakened Watchman x5 (Cruiser Class - )

(Source)