1. Department of Physics & Astronomy; University of Victoria; Victoria; BC; V8P 1A1; Canada
2. Leiden Observatory; Leiden University; PO Box 9513; NL-2300 RA Leiden; the Netherlands
3. Las Cumbres Observatory Global Telescope Network; 6740 Cartona Drive, Suite 102; Santa Barbara; CA; 93117; USA
4. Department of Physics & Astronomy; San Francisco State University; San Francisco; CA; 94131; USA
5. Steward Observatory; University of Arizona; Tucson; AZ; 85721; USA