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Instruction manual
This is the quick guide for Observatory Quest.
For a more in-depth version, click here.

Details[]

Start point Talk to the Observatory professor in the Observatory Reception Room south-west of Ardougne, north of Castle Wars. Talk to the Observatory professor in the Observatory Reception Room south-west of Ardougne, north of Castle Wars.
Official difficulty Novice
Description The Observatory in south-west Ardougne has been ransacked by a family of nearby goblins. Can you help the professor to rebuild it?
Length Short
Requirements
  • 10 Crafting icon Crafting
  • The ability to defeat a level 42 monster.
Items required

Recommended:

Enemies to defeat Goblin guard (level 42) (optional - can simply be trapped behind a column)

Walkthrough[]

Getting started

Fixing the Observatory

Items required: 3 planks, 1 bronze bar, 1 molten glass, combat equipment, antipoison if low level

  • Give the Observatory professor the three planks, bronze bar and molten glass. (Speak to him 3 separate times)
  • Talk to the assistant.
  • Go down the stairs on the hill to the east.
  • Once downstairs, search all the chests until you find the goblin kitchen key. (Most commonly found in south eastern part when you go down the stairs) Make sure you press continue or else you won't take the key!
  • Head up the only north path from the entrance, then go west to the kitchen gate and prod the sleeping guard, then kill him.
  • Open the gate and inspect the goblin stove.
  • Go back and speak to the professor with the lens mould in your inventory.
  • Use the molten glass on the lens mould and give them back to the professor.
  • Head back into the goblin dungeon.
  • Take the stairs in the south end of the dungeon. You will have to take the path past the kitchen gate to get there.

Finishing up

  • After the cutscene, talk to the professor upstairs and view the telescope.
  • Talk to the professor and identify the constellation you saw (see table below).
Name & Reward Picture Name & Reward Picture
Aquarius
25 Water runes, uncut sapphire
Star Chart Viewer Aquarius Aries
875 Attack experience, uncut sapphire
Star Chart Viewer Aries
Cancer
Amulet of defence, uncut sapphire
Star Chart Viewer Cancer Capricorn
875 Strength experience, uncut sapphire
Star Chart Viewer Capricorn
Gemini
Black 2h sword, uncut sapphire
Star Chart Viewer Gemini Leo
875 Hitpoints experience, uncut sapphire
Star Chart Viewer Leo
Libra
3 Law runes, uncut sapphire
Star Chart Viewer Libra Pisces
3 Tuna, uncut sapphire
Star Chart Viewer Pisces
Sagittarius
Maple longbow, uncut sapphire
Star Chart Viewer Sagittarius Scorpio
Weapon poison, uncut sapphire
Star Chart Viewer Scorpio
Taurus
Super strength(1), uncut sapphire
Star Chart Viewer Taurus Virgo
875 Defence experience, uncut sapphire
Star Chart Viewer Virgo

Quest complete!

Rewards[]

Observatory Quest reward scroll


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