1. Department of Physics and Astronomy, University of Alabama, Box 870324, Tuscaloosa, AL 35487, USA
2. Visiting Astronomer, Kitt Peak National Observatory, operated by AURA, Inc., under contract to the US National Science Foundation
3. SARA Observatory
4. Department of Physics, California Polytechnic State University, San Luis Obispo, CA 93407, USA
5. Department of Physics, University of California, Santa Barbara, CA 93106 USA
6. Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138 USA
7. Einstein Fellow
8. Department of Energy Computational Science Graduate Fellow, Department of Astronomy, University of California, Berkeley, CA 94720
9. Center for Cosmology and AstroParticle Physics, 191 West Woodruff Avenue, The Ohio State University, Columbus, OH 43204, USA
10. CCAPP Fellow
11. Department of Astronomy, New Mexico State University, Las Cruces, NM 11001, USA
12. Special Astrophysical Observatory, Russian Academy of Sciences, Nizhny Arkhyz 369167, Russia
13. Lomonosov Moscow State University, Sternberg Astronomical Institute, Universitetsky pr. 13, Moscow 119234, Russia
14. Space Research Institute, Russian Academy of Sciences, Profsoyuznaya ul. 84/32, Moscow 117997, Russia
15. Astrophysics, Oxford University
16. Adler Planetarium, 1300 S. Lakeshore Drive, Chicago, IL 60605
17. Department of Physics, ETH Zürich, Switzerland
18. Galaxy Zoo