The CSO dome and other structures are being deconstructed and removed from Maunakea. These are some notable steps in the process.

• 2024-02-28: Disconnect electric power to observatory; remove electrical transformer from Maunakea.
• 2023-10-08: Pause interior demolition; remove demolition debris from Maunakea.
• 2023-09-25: Disconnect electric power to dome; start interior demolition in dome.
• 2023-09-15: Remove backup generator from Maunakea.

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2024-02-28: Removal of electrical transformer.

2023-12-07: CSO buildings awaiting deconstruction after removal of telescope.

c. 2001: Leighton telescope at the Caltech Submillimeter Observatory before disassembly.

c. 1990. Leighton telescope at the Caltech Submillimeter Observatory.