Observatory Quest/Quick guide

Getting started

 * Talk to the Observatory professor in the house near the Observatory which is located North of Castle Wars.
 * Talk to his assistant.
 * Obtain a Bronze bar, three Planks, and a Molten glass.
 * Talk to the assistant then the professor three times (until he takes all of the above items).

Obtaining a Lens

 * Leave the house and go East to the abandoned buildings.
 * Climb down the stairs in the Western building.
 * Every dead end will have a chest that must be searched until a Goblin kitchen key is found in one of them.
 * Note: On the interface make sure to click "Click here to continue" or the key will not be found.
 * Go back to the staircase at the entrance, but do not exit the dungeon.
 * Go East, then North, and then head West until a guard is seen guarding a kitchen.
 * Kill him or lure him away from the kitchen.
 * Inspect the stove in the kitchen.
 * Talk to the professor.
 * Use the molten glass on the Lens mould.
 * Talk to the professor again.

Finishing Up

 * Go back to the abandoned building and climb down the stairs.
 * Climb the stairs to the observatory, as indicated on the map.
 * Talk to the professor.
 * Watch the cutscene and talk to him again.
 * Look through the telescope and tell him which constellation is seen.
 * Quest complete!