See our Videos page!



April, 2010: APOLLO detects lost Soviet reflector.

October, 2009: LCROSS event.

May, 2009: APO featured on PBS film 400 Years of the Telescope.

April 3, 2009: For the International Year of Astronomy, APO is featured in a 20-minute segment during a 100-hour webcast.


ARC 3.5m | Quicklinks

Instrument News: Current Status

Instrument Summary

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Wiki by and for users


Current Weather

Proposal Sample

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3.5m Nightlogs

Printable Observing Log

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