A mahogany telescope can be built in the telescope space of the study in a player-owned house. It requires 84 Construction to build and when built, it gives 281 experience. The player must have a hammer and a saw in their inventory to build it.
Players can use the telescope to determine the rough landing location of a Shooting Star with an accuracy of 2 minutes. Telescopes will point to the general region where a star will fall, so players will still need to search for the exact spot.
- Even though this piece of furniture cannot be made into a flatpack, the game cache reveals a flatpackable version of it (). This may be the result of Jagex deciding that these items should not be made flatpackable for unknown reasons, but did not remove the code for the items before launch.