paul.shankland@usno.navy.mil

¹ Centre for Astronomy, School of Mathematical and Physical Sciences, James Cook University, Townsville QLD 4811, Australia
² Current address: US Naval Observatory, 3450 Massachusetts Avenue NW, Washington, DC 20392-5420
³ University of California/Lick Observatory, University of California at Santa Cruz, Santa Cruz, CA 95064
⁴ American Association of Variable Star Observers, Clinton B. Ford Astronomical Data and Research Center, 25 Birch St., Cambridge, MA 02138
⁵ Department of Physics, California State University, Fresno, 2345 East San Ramon Avenue, M/S MH37, Fresno, CA 93740
⁶ Center of Excellence in Information Systems, Tennessee State University, 3500 John A. Merritt Boulevard, Box 9501, Nashville, TN 37209
⁷ School of Chemistry and Physics, University of Adelaide, Adelaide SA 5005, Australia
⁸ Centre for Astronomy, Solar Radiation and Climate Physics, University of Southern Queensland, Towoomba 4350, Australia
⁹ Anglo-Australian Observatory, 167 Vimiera Road, Eastwood NSW 2122, Australia
¹⁰ Perth Observatory, Walnut Road, Bickley WA 6076, Australia
¹¹ Bronberg Observatory, Centurion 0157, Pretoria, South Africa
¹² School of Physics, University of New South Wales, Sydney, NSW 2052, Australia