2:52 p.m., March 25, 2008--These observatories will be involved in the international observing run, which UD is coordinating, to monitor IU Vir, a white dwarf star. Telescope lens diameter is in parentheses.

International observatories:

• Institut für Astronomie der Universität Wien, Austria (0.8 m/2.6 ft);
• Laboratório Nacional de Astrofísica (LNA), Brazil (1.0 m/3.2 ft);
• Observat—rio del Teide, Tenerife, Canary Islands, Spain (0.6 m/2 ft);
• Cerro Tololo Inter-american Observatory (CTIO), Chile (0.9 m/3 ft);
• Southern Astrophysical Research Telescope (SOAR), Chile (4.2 m/13.8 ft);
• Beijing Astronomical Observatory (BAO), China (2.1 m/6.9 ft);
• Observatoire de Haute-Provence (OHP), France (1.93 m/6.3 ft);
• Institut für Astronomie und Astrophysik Tübingen, Germany (0.8 m/2.6 ft);
• Loaina Observatory, Italy (1.5 m/4.9 ft);
• Moletai Astronomical Observatory, Lithuania (1.5 m/4.9 ft);
• Mt. John Observatory of the University of Canterbury, New Zealand (1 m/3.2 ft);
• Mt. Suhora Astronomical Observatory, Cracow Pedagogical University, Poland (0.6 m/2 ft);
• Peak Terskol Observatory, Russia (2 m/6.6 ft);
• South African Astronomical Observatory (SAAO), South Africa (1 m/3.2 ft);
• South African Large Telescope (SALT), South Africa (10 m/32.8 ft);
• Bohyunsan Optical Astronomy Observatory (BOAO), South Korea (1.8 m/5.9 ft);
• Lulin Observatory, Taiwan (1 m/3.2 ft); and
• Robonet, United Kingdom (2 m/6.6 ft).

U.S. Observatories:

• Kitt Peak National Observatory, Arizona (2.1 m/6.9 ft);
• Mt. Cuba Astronomical Observatory, Delaware (0.6 m/2 ft);
• Southeastern Association for Research in Astronomy Observatory (SARA), Florida (1 m/3.2 ft);
• University of Hawaii Telescope, Hawaii (2.24 m/7.3 ft);
• Central Texas Astronomical Society, Texas (0.6 m/2 ft); and
• McDonald Observatory, Texas (2.1 m/6.9 ft).