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The Observatory is a room in Area Three of Luigi's Mansion.
After exiting the Astral Hall, Luigi enters the Observatory. The telescope is the only real object in the Observatory, apart from a small dresser with a globe on top near the door. When he looks through telescope and sees the Moon, the walls fade away, allowing Luigi to enter a small balcony. Luigi sucks up a Shining Ghost and shoots it at the Moon, blowing it up in the process. After that, a winding path of light appears, which leads to a halved moon where Mario's Star rests.
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