After the destruction of Dark Eco experiments in the forest, six platforms appear in the water at the center of the forest. Once Jak collects four of the five artifacts, he is able to defeat five ring challenges set by statues similar to Oracle Totems in order to raise the platforms and approach the Astro-Viewer itself. He is then able to use to Astro-Viewer and see the Dark Maker Ship. When Seem gives Jak the Time Map, Jak is able to link into the Dark Maker Ship and manipulate some of the machines.
The Astro-Viewer appears to function as a very powerful telescope, allowing Jak to see far into space. For unknown reasons, when the Time Map is added, Jak is able to link into the Dark Maker Ship systems and control some of the machines.
After connecting the Time Map to the Astro-Viewer, Jak gets linked to the Dark Maker Bot aboard the ship. After this, Jak must fight his way through Dark forces and turn off the shield in the ship so they can attack it.
The Astro-Viewer is activated by five special artifacts. They are: