Apr. 2, 2009 - Sky & Telescope
...
This unprecedented scope-a-thon kicks with a live feed from the Gemini North observatory in Hawaii on Friday morning, April 3rd, at 9:00 Universal Time (5:00 a.m. EDT). Then every 20 minutes the scene switches to a different facility. You'll be impressed with all the big-name observatories on and off our planet that have signed up to participate, among them Keck Observatory (10:00 UT), Hubble Space Telescope (17:20 UT), and ESO's Very Large Telescope in Chile (April 4th, 2:20 UT).
...