- Daniel W. E. Green: Harvard University, Department of Earth and Planetary Sciences
- Syuichi Nakano: Oriental Astronomical Association, Sumoto, Japan
- Robert Garrison: University of Toronto
- Brian Mason: U.S. Naval Observatory, Astrometry Department
- Arlo U. Landolt: Louisiana State University
- D. L. Crawford: Kitt Peak National Observatory
- Paul Butler: Department of Terrestrial Magnetism, Carnegie Institute of Washington
- Ron Buta: University of Alabama
- Wilton Dias: Universidade Federal de Itajubá
- William Harris: McMaster University
- Alex Kraus: Max Planck Institute for Radioastronomie
- Zaven Arzoumanian: NASA/Goddard Space Flight Center
- David Thompson: NASA/Goddard Space Flight Center
- Graham Appleby: UK Space Geodesy Facility
The Astronomical Almanac Online! 2013